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True Story: This Small Habit Made Me Less Addicted to My Cell Phone

Editor's Letter: When Unplugging Is Unreasonable

Butt Implants Linked to Rare Cancer in First Reported Case

Painted Wolves: The Colorful Carnivores of the African Wild

Here's the Science Behind Finding North Korea's Nuclear Weapons

The World's Smallest Baby Boy Is Even More Remarkable Than You Think

THC vs. CBD: Which Marijuana Compound Is More Beneficial?

Tropical Spiders Cause ‘Surprising Amount of Death,’ Hunting Opossums, Frogs and More

Mysterious 'Planet Nine' Is Probably 5 to 10 Times the Size of Earth

'Extraordinarily Rare' Semi-Identical Twins Were Born in Australia

Prickly Pear Cactus Needles Are Oldest Tattoo Tool in Western North America

Mayan Artifacts Used in Ritual Sacrifices Discovered at the Bottom of Sacred Lake

Newfound 'FarFarOut' Is Most Distant Solar System Body Ever Seen

Doctors Often Miss Colorectal Cancer in Younger Adults, New Study Suggests

From Ghosting to Breadcrumbing: The Psychology of Labeling Bad Dating Behavior

An Exploding Asteroid Blasted Across Mars' Surface in the Last 10 Years

What Are Radio Waves?

Oldest Frog Relative from North America Could Fit on Your Pinky Finger

Dramatic Moment Shark Clamps Jaws Down on Parrotfish Captured in Exhilarating Photo

Photos of Colorful, Majestic Marine Creatures Are 'A Visual Feast'

What Is Infrared?

California's Hidden Threat: High-Risk Volcanoes That Might Erupt in the Next Decade

Tiny Trails of Suffocating Mollusks Found at the Bottom of the Great Blue Hole

Ripples in Space-Time Could Help Solve Cosmic Mystery of How Fast Universe Is Expanding

Humpback Whale That Washed Ashore in Amazon Jungle Was Likely Sick

A Man's Trouble Smelling Was Caused By a Tooth Growing in His Nose

Ram-Headed Sphinx Abandoned by King Tut's Grandfather Found in Egypt

Photos: The Ram-Headed Sphinx of Gebel el-Silsila

6 Cannabis Products That Make Good Sex Even Better

I Ordered 7 of the Chicest New Vibrators on the Internet—Here Are My Reviews

Someone Decapitated a 'Crusader' Mummy in Ireland and Ran Off with Its Head

Fat Rat Rescued from Manhole Cover by Germany's Loveliest Firefighters

What Are Parabens?

Ocean Microphones May Have Recorded Lost Malaysian Jet's Crash … Thousands of Miles from Search Sites

Charles Dickens Plotted to Send His Sane Wife to an Asylum

Man's Radioactive Remains Spread Radiation All Over Cremation Chamber

Maybe Dying Stars Fart So Much Because They're in a Relationship

Scientists Finally Solve Mystery of Tiny, Ancient Worm’s ‘Mismatched’ Head and Body

Mount Vesuvius Didn't Kill Everyone in Pompeii. Where Did the Survivors Go?

At-Home Test for Colorectal Cancer Could Simplify Screening

Barren Desert 'Fairy Circles' Caused By … Rain?

5 Things a Sex Therapist Wishes You Knew About Doing the Deed

Why This Man's Blood Turned 'Milky' Colored

Climate Change Could Make These Super-Common Clouds Extinct, Which Would Scorch the Planet

Failed 1970s Venus Probe Could Crash to Earth This Year

Stolen Mummy Feet, Arms and More Found Stashed in Speakers at Cairo Airport

Physicists Just Solved a 35-Year-Old Mystery Hidden Inside Atomic Cores

This Weight Loss Strategy Takes Just 15 Minutes a Day

21 Totally Sweet Spider Superlatives

Ming Dynasty Skeletons Reveal Secrets of Foot-Binding

Weird 'Snowman-Pancake' Asteroid Gets Its Close-Up. And It Really Is an Oddball.

If You Don't Have This Gene, You May Recover Better from a Stroke

A 12-Year-Old Built a Fusion Reactor in His Playroom

Why Does Earth Have an Atmosphere?

An Iceberg Twice the Size of NYC Could Soon Break Off Antarctica

Inca Ritual Baths Fed by Waterfall Reveals More of Its Secrets

A 'Dragon Aurora' Appeared in the Sky Over Iceland, and NASA Is a Little Confused

Microwaved Grapes Spit Plasma, and Scientists Finally Know Why

A Stunning 'Firefall' Flared to Life in Yosemite This Week

Biblical Archaeology: The Study of Biblical Sites & Artifacts

Why It'll Take Israel's Lunar Lander 8 Weeks to Get to the Moon

Sunscreen 'Sea Change' May Be Coming with New FDA Rules

480-Million-Year-Old Mystery Creature Finally Identified from Its Preserved Guts

Photos: Cretaceous 'Night Mouse' Was a Wee Mammal

Tiny Dino-Era 'Night Mouse' Found Above Arctic Circle

7 Unexpected Ways I'm Taking Charge of My Sexual Health This Year

This Bird's Body Is Half Male, Half Female. So Is Its Brain.

Scientists Have Created Synthetic DNA with 4 Extra Letters

Mighty T. Rex Began As Cute, Deer-Size Dino

Hawaii's False Missile Alert Shows Americans Have No Idea What to Do in Nuclear Attack

A Woman Died After Reportedly Eating Prized Mushrooms at Fancy Restaurant in Spain

What Are Neutrinos?

Huge Open Buckets of Uranium Ore Found at Grand Canyon? Totally Fine, Experts Say.

Our Atmosphere Is So Big It Tickles the Moon

Could Earth's Oceans Ever Boil Away?

This Massive, Nightmare Bee Was Once Thought Extinct. Not Anymore.

A Brilliant Daytime Meteor Exploded Over Cuba This Month. Here's Where It Came From

This Fish Just Gave Evolution the Finger and Got Pregnant

Kratom 'Poisonings' Have Increased 50-Fold in Recent Years

Meet Hippocamp: Neptune's Smallest Moon Has a Name (and a Violent Past)

Is There Any Truth to "Opposites Attract"?

For Cramps, Mood Swings and More: The 6 Best Supplements to Take on Your Period

How Are Elements Grouped in the Periodic Table?

What the Heck Is a Blobfish?

Yes, That Viking Warrior Buried with Weapons Really Was a Woman

Photos: Viking Warrior Is Actually a Woman

What Are the Milankovitch Cycles?

Was Roman Emperor Nero's Evil Reputation Just 'Fake News'?

Mountain Range More Rugged Than the Rockies Found Buried Deep Within Earth

A High-Fat Diet May Be Bad for Your Gut Bacteria

Japan Just Shot a Fake Asteroid with a Space Bullet … for Science

Trump Signs Directive to Create a Military Space Force

Why Do So Many Americans Now Support Legalizing Marijuana?

Here's What You Need to Know About Fertility in Your 20s

Here's the Truth About Birth Control and Weight Gain

Workout Onesies Are a Controversial Choice, But Hear Me Out

5,600-Year-Old Human Skull Bone Fished Out of the Thames by Lucky 'Mudlarker'

The 'Rubber Ducky' Comet Is Stressed and Keeps Cracking Its Neck

'Young Blood' Transfusions to Prevent Aging Are Unproven and Risky, FDA Warns

In Photos: Stunning Views of Grand Canyon National Park

WWII Sailor in Controversial 'The Kiss' Photo Dies at 95

Stonehenge May Have First Stood in Wales, According to Speculative Idea

Here's Why Great White Sharks Are Natural-Born Superheroes

Customs Letter About a Long-Lost Suitcase Leads to Artifacts from Desert with Early 'Jesus' Painting

'River of Stars' Streaming Through the Milky Way Was Hiding in Plain Sight for 1 Billion Years

The 'Supermoon' Syndrome Rises with February's Full Moon

A Single Earthquake Can Move Millions of Tons of Carbon into Earth's Deepest Trenches

Marvel at This Glittering 'Galaxy' Inside a Fly's Testicles

Why an Outlaw Was Stabbed to Death and Then Buried Face-Down in Medieval Sicily

7 Surprising Health Benefits of Sex You Never Knew About

5 Things I Wish Someone Had Told Me Before I Took Plan B

Astrophysicists Find New Clue in Search for Universe's Missing Matter

What the Heck Happened to This Yo-Yo Champ's Index Finger?

Mendeleev's Periodic Table Draft Is Virtually Unrecognizable — But It Changed Science Forever

Rarely Glimpsed Scaly Pangolins Caught Hugging Trees in the Dark

Why Men Who Can Do 40 Pushups May Have Better Heart Health

England's Oldest Cave-Art Site Is Covered with Signs to Ward off Evil Spirits

Black Snow Is Falling from the Skies in Siberia, and It Is Toxic.

Humans Crossed the Bering Land Bridge to People the Americas. Here’s What It Looked Like 18,000 Years Ago.

Russia Claims Strobe-Light Weapon Causes Nausea & Hallucinations. Is That Even Possible?

Rare 12th-Century Triple Toilet Let Three People Go Number Two at Once

Yellow, Blob-Like Cell Transforms into Wriggling Salamander in Surreal Time-Lapse Video

Life Really Is Harder for Night Owls. Here's Why.

Why Do Humans Hear So Well? You Can Thank the Tiny 'Jell-O' Violin Inside Your Ear

Reindeer Cyclones Are Real, and You Definitely Don't Want to Get Caught in One

A Solar Flare '10 Billion Times More Powerful' Than Earth's Sun Blasted Out of Orion's Sword

2 of Our Favorite Health Gurus Explain How to Ease Back Into a Fitness Routine

Editor's Letter: Let's Talk About Sex, Baby

6 Ways I'm Changing My Diet to Help Heal My Hormones

7 Wellness Products That Promise Better Sex Tonight

I Tried One of L.A.'s Buzziest Cleanses (and Actually Kind of Enjoyed It)

4 "Taboo" Sex Topics All Women Should Be Talking About (But Aren't)

13 Questions You Should Definitely Ask at Your Next OB-GYN Appointment

What It's Actually Like to Get an IUD, According to 6 Real Women

4 Unhelpful Habits I'm Giving Up This Year to Have a Healthier Sex Life

Search for Shackleton's Antarctic Shipwreck Turns Back to Avoid Deadly Ice Trap

Ancient Fresco of Mythical Narcissus Found in Pompeii

Plasma Waves Are Cooking Electrons in Earth's Magnetic Shield

Remains of USS Hornet, Storied WWII Aircraft Carrier, Discovered at Bottom of South Pacific

Medieval Letter Reveals Bawdy Nun Who Faked Her Death to Escape Convent

This Horrifying Menagerie of AI-Generated Cat Photos Will Haunt You

Why Can't NASA's Curiosity Rover Rescue Opportunity?

What Will Happen to the Opportunity Rover's Dead Body on Mars?

How Do Emperor Penguin Dads Stop Their Eggs From Freezing?

In Photos: The Emperor Penguin's Beautiful and Extreme Breeding Season

Here's Why a Perfect Heart Shape Showed Up on a Girl's X-Ray

This Is What It Means to Be Sex Positive in 2019

Mars Rover Opportunity Is Dead After Record-Breaking 15 Years on Red Planet

Why This 'Atmospheric River' Could Cause Mudslides and 'Roofalanches' in California

Titanosaur the Size of a School Bus Had Heart-Shaped Tail Bones

Photos: 100-Million-Year-Old Tanzania Titanosaur Had Heart-Shaped Tail Bones

These Newfound Catfish Species Are Either the Ugliest Fish Ever or Super Adorable

Here's How Poor Sleep May Hurt Your Heart

'Unicorn' Tarantula Wears a Weird Horn on Its Back

These Ancient Spider Fossils Still Have Silvery, Shimmering Eyes

Did Great White Sharks Wipe Out the Giant Megalodon?

Lakes of Melted Snow Are Literally Bending Antarctica's Ice Shelves in Half

Photos: Craters Hidden Beneath the Greenland Ice Sheet

Gorgeous Fractal Patterns, Normally Found Only in Nature, Re-Created Using Laser Light

Huge Meteor Left Crater Hidden Beneath Greenland Ice

What's So Special About the Atacama Desert?

Seasonal Affective Disorder: SAD Symptoms and Therapy

US Navy's 'Aquanauts' Tested the Boundaries of Deep Diving. It Ended in Tragedy.

Eating 'Ultraprocessed' Foods Linked with Early Death

3 Reasons You Might Hate Valentine's Day

Earth's Magnetic Field Booms Like a Drum, But No One Can Hear It

Prehistoric Sailors May Be Responsible for Stonehenge, Other Megaliths

Skeleton of Teen Girl Found Buried Next to Mysterious Pyramid in Egypt

Photos: Teen's Skeleton Buried Next to Pyramid in Egypt

A Computer Spotted a Turtle Hiding Out in a Cloud of 'Quantum Fireworks'

This 2.1-Billion-Year-Old Fossil May Be Evidence of Earliest Moving Life-Form

Asking for a Friend: What Happens When You Miss a Birth Control Pill?

With the US-Russian Nuclear Treaty in Tatters, Is 'Doomsday' Ticking Closer?

52 Polar Bears 'Invade' a Russian Town to Eat Garbage Instead of Starve to Death

Bat on the Loose at NBA Game May Have Exposed Fans to Rabies

What Is the Coral Triangle?

Watch a Giant Spider Crab Bust Out of Its Own Shell in Wild Time-Lapse Video

Ultima Thule Beyond Pluto Is Flat Like a Pancake (and Not a Space Snowman After All)

Geologists Figured Out Where the Most Remote Part of the Ocean Came From

We Finally Know When Our Milky Way Will Crash Into the Andromeda Galaxy

Why Archaeologists Just Blasted This Ancient Shipwreck with a 'Ray Gun'

In Photos: Ancient Shipwreck's Ceramics Traced to Kilns in China

Marijuana Lollipop May Have Triggered Man's Heart Attack

Can the Pill Affect How Women Recognize Emotions in Others?

Underwater Archaeologists Find Surprising Artifacts from Major Roman Naval Battle

Here's What to Expect When You Take the Morning-After Pill

Why Do Babies Cry on Airplanes?

Your Dog Can Get Sick from Marijuana. Here's How to Prevent Pot Poisoning.

Do You Really Need to Buy Aluminum-Free Deodorant?

Physicists Found a Brand-New Kind of Magnet Hiding in a Uranium Compound

Measles Outbreak Spurs Vaccination Surge in Anti-Vaxxer Hotspot

This One Number Shows Why Measles Spreads Like Wildfire

Mighty Warrior's Medieval Sword Pulled Triumphantly … from Denmark Sewer

This Adorable Cat Was Frozen by the Polar Vortex. But Vets Defrosted Her and Now She's Fine.

Photos: Stunning Shots of the Natural World and Wildlife

The Best Photos of the Sony's 2019 Wildlife Photography Competition

Something Is Not Quite Right In the Universe, Ultraprecise New Measurement Reveals

Weird, Bumpy Landscape in African Desert Explained by Ancient Ice Stream

Photos: Traces of an Ancient Ice Stream

European Slaughter of Indigenous Americans May Have Cooled the Planet

No, Drinking 'Beer Before Wine' Won't Prevent a Hangover, Study Finds

A Rover That Will Look for Life on Mars Named for DNA Pioneer Rosalind Franklin

Bed Used in Hotel for 15 Years Turns Out to Be Henry VII’s Marriage Bed

How Sand Fleas Cause 'Extreme' Infections

More Women Reported to Have Rare Cancer Linked to Breast Implants

Painted Wolves Caught on Camera Hunting Baboons for the First Time

‘Oldest’ Case of Bone Cancer Is Diagnosed in a 240-Million-Year-Old Shell-Less Turtle

In Photos: The Majestic Painted Wolves of Zimbabwe

How Does Consciousness Arise in the Brain?

Earth Once Swallowed Its Own Superocean. Could It Happen Again?

Mysterious Blobs Around These Small Stars May Be Bad News for Alien Life

Ominous Cracks Form in the Northern Hemisphere's Longest Floating Glacier

How to Overcome Orgasm Anxiety (Because Yes, It's a Thing)

This Spiky-Spined Beast Is the Most Punk-Rock Dino Ever Discovered

2018 Was 4th Hottest Year on Record, NASA Finds

Here's Why These Creepy Little Moths Have Noisy, Clicking Wings

Bees Can Solve Math Problems That Would Stump the Average Toddler

Patient Tested for Ebola in Pennsylvania

Humans Are Eating Most of Earth's Largest Animals to Extinction

After 1-Year Joyride in Space, Starman Has Probably Trashed Elon's Roadster

Bizarre Space Object 'Oumuamua Could Be a Monstrous Corpse of Comet Dust

Lost City in South Africa Discovered Hiding Beneath Thick Vegetation

Thousands of Writhing Maggots Create the World's Creepiest Fountain

Smoking Marijuana Linked to Better Sperm Counts in Surprising Study

"Weedwashing" Is the Reason Your CBD Products Might Not Work as Advertised

Snowball Earth: When the Blue Planet Went White

Floating Sperm Whale Carcass That Looks Like Puffy Marshmallow Haunts Hawaii

Kite-Blown Sled Climbs Antarctic Ice Dome, One of the Coldest Places on Earth

Maze of Tombs in Egypt Holds Many Mummies Dating Back 2,300 Years

Photos of the World's Smallest (and Cutest) Owl

Photos: The Berlin Wall Through Time

Historian Collects 'Forgotten' Relics from One of the Most Poignant Symbols of the Cold War

Why Physicists Are Interested in the Mysterious Quirks of the Heftiest Quark

7 Helpful Things You Can Do to Make Sure Sex Doesn't Hurt

6 Really Easy Ways to Have Better Sex Tonight

A Cactus Prick Likely Caused Former NHL Player's Life-Threatening Infection

Doctors Zapped a Woman's Brain So She Could Laugh Through 'Awake' Brain Surgery

Earth's Magnetic North Pole Was Moving So Fast, Geophysicists Had to Update the Map

Women's Brains Are 3 Years 'Younger' Than Men's, Study Suggests

The Milky Way Is Totally Twisted

See a Newborn Baby Humpback Whale Swim with Its Mom, Minutes After Being Born

Snack Attack! Chip Factory Finds WWI Grenade Packed in Potatoes

Floating Robots Spotted a Huge Plume of Magma Under the Galápagos

Super-Earth Smackdowns May Explain Diverse Worlds

Why Alexander the Great May Have Been Declared Dead Prematurely (It's Pretty Gruesome)

This 210-Million-Year-Old 'Dragon' Ate Bones (and Its Own Teeth) for Breakfast

In Photos: Mysterious Stone Structures in the Sahara

Hundreds of Mysterious Stone Structures Discovered in Western Sahara

Obesity-Related Cancer Rates Are Rising Among Millennials

Here's What to Do After Sex to Make Sure Your Reproductive Health Is 10/10

China Tests World's 1st Robot Ship for Launching Small Rockets

NASA Watched This Baby Island Burst From the South Pacific. And It Seems to Be Here to Stay.

Why Do People Ghost?

How Accurate Are Punxsutawney Phil's Groundhog Day Forecasts?

Punxsutawney Phil Says 'Early Spring.' Here's What Actual Weather Forecasters Say.

Here's What Groundhogs Will Do If Winter Goes Long

Forgotten Parchments About King Arthur, Merlin and the Holy Grail Discovered in UK Library

Read a Free Issue of 'All About Space'!

Read a Free Issue of 'How It Works'

Watch the Polar Vortex Cast Its Chill Over North America in This Satellite's-Eye View

Chinese Probe Uncovers New Mystery on the Dark Side of the Moon

What Is Genetic Modification?

World's First Dolphin Spinal Tap Cranks Marine Medicine Up to 11

Was The Queen's Twitter Hacked or Does She Just Really Like Mushrooms?

First Private Spacecraft Shoots for the Moon

Black Hole Plasma Jets Shine Like Cosmic Lighthouses in These Gorgeous Images

Stunning New Map of the Milky Way Shows 800 Million Stars, Galaxies and Near-Earth Asteroids