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SpaceX launches Italian Earth-observation satellite, lands rocket

Pendants from Holocaust victims found near gas chamber in Poland

What is the grandfather paradox?

'Wonderfully-shaped feces' found inside ancient fish skull. What left the pretty poops?

What is a scientific theory?

Do other viruses have as many variants as SARS-CoV-2?

An Ophthalmologist Shares the Best Vitamins for Eye Health

I Wake Up at 5 A.M. Every Day and Decided to Give Up Caffeine—Here's How I Did

How This Best-Selling Novelist Starts Her Workday During a Press Tour

Do we live in a simulation? Here's why we may never know.

Which country has the most islands?

Frogs regrow amputated legs in breakthrough experiment

Oklahoma wildlife dept. says mountain lions don't make good pets. The internet disagrees.

Why are tigers orange?

Giant 'tree stump' impact crater spotted on Mars

Astronomers discover 1,000 strange 'filaments' of radio energy bursting from the galaxy's center

1st sighting of 'ball lightning' in England uncovered

Solidcore is the Hardest Workout I've Done, so I Tried It for a Month

'Bomb cyclone' set to bring blizzards and hurricane-force winds to the Northeast on Friday: Here's why.

Water on Mars may have flowed for a billion years longer than thought

The meaning of colors: How 8 colors became symbolic

See first-ever photos of polar bears playing house in the Russian Arctic

Ancient solar storm smashed Earth at the wrong part of the sun's cycle — and scientists are concerned

Here's Why You Might Be Getting Hot Flashes During Your Period

Fetus inside Egyptian mummy was 'pickled like an egg,' researchers say

Best shoes for Peloton 2022: Cycling shoes to suit your bike

What is VOC? Facts about volatile organic compounds

Watch a python swallow an impala whole in this jaw-dropping video

Brown bear wakes up from hibernation and kills 38 reindeer calves

Vikings' 'blood eagle' torture was horrific — and may have actually happened

'Burning' hydrogen plasma in the world's largest laser sets fusion records

Astronomers detect powerful cosmic object unlike anything they've seen before

What's the difference between fruit and vegetables?

Eta Carinae's epic supernova explosion comes to life in new visualization

Last Roman gladiator arena ever built unearthed in Switzerland

Can Probiotics Really Help With Bloating? I Asked Experts for the Truth

Can CBD really prevent COVID-19 infection? Scientists hope to find out.

Massive 'pristine' reef of giant rose-shaped corals discovered lurking unusually deep off the coast of Tahiti

30 mummies discovered inside an ancient fire-scorched sacrificial structure

190-year-old Jonathan is the oldest tortoise ever

Powerful, nearby black holes could help to explain universe's origins

'Exquisite' wooden figurine dating to early Roman Britain found in a ditch in England

The Lymphatic System: Facts, functions & diseases

Tonga eruption equivalent to 'hundreds of Hiroshima bombs,' NASA says

Cucumbers: Nutrition facts & health benefits

Tonga eruption was so intense, it caused the atmosphere to ring like a bell

Here's why a new penguin colony in Antarctica is cause for concern

Watch the James Webb Space Telescope glide to its deep-space parking spot today

Why does electricity make a humming noise?

Japanese submarine, sunk in WWII and later bombed by salvager, is VR ready

Evil eye: History of the ancient curse

How It Works issue 160: What caused the world's worst catastrophes?

Saturn's 'Death Star' moon could have a secret underground ocean

What is the longest possible walk on Earth?

Monkey 'queen' led a violent coup to become her troop's first female leader. Now her reign is in jeopardy.

Can nonhuman animals drive other animals to extinction?

Ruins of bustling Roman town discovered in UK

Will we need more COVID-19 boosters to end the pandemic?

World's oldest drinking straws are 3 feet long and made of gold and silver

Astronomers propose building a neutrino detector out of the Pacific Ocean

Melted 'megaberg' A68 dumped 1 trillion tons of water into the ocean over 3 years

Pod of orcas frees a humpback whale from certain death. Was it intentional?

Who were the Knights Hospitaller?

Patton: The US Army's toughest and most feared WWII general?

Centuries-old 'impossible' math problem cracked using the strange physics of Schrödinger's cat

40 quintillion stellar-mass black holes are lurking in the universe, new study finds

Double pig kidney transplant successfully performed in brain-dead patient

Parasitic worm forces tarantulas to tiptoe, then starves them to death

What is a scientific hypothesis?

164 million-year-old plant fossil is the oldest example of a flowering bud

Curiosity rover finds 'tantalizing' signs of ancient Mars life

Will the Doomsday Clock move forward or back? Watch live to find out

Ancient Chinese tombs hold remains of warriors possibly buried alive

Top 10 most famous ghosts

Ash from Tonga volcano eruption reaches record altitude but climate cooling unlikely

Signs of labor: 6 clues baby is coming soon

Viruses unleashed into a woman's wound to slay superbug in her leg

Scorching alien planet takes seasons to an extreme

Which animals have the longest arms?

11 of the world’s biggest man-made disasters

Diamonds: Formation, grading and other facts

What is the difference between prokaryotic and eukaryotic cells?

Bluetooth: Who invented it and how does it work?

Italian Culture: Facts, customs & traditions

Why does slicing onions make you cry?

The rise and fall of the Great Library of Alexandria

Vast 4,500-year-old network of 'funerary avenues' discovered in Saudi Arabia

I Tried 5 Organization Methods—This One Was By Far the Best

I Tried HIIT Workouts for 30 Days Straight, and the Results Were Wild

Science and the scientific method: Definitions and examples

What is a law in science?

I Tried Trampoline Workouts Every Day and Learned How to Not Hate Cardio

Huge Tonga underwater volcano eruption captured in stunning satellite video

How to watch the 'Ice Moon' rise on Martin Luther King Jr. Day

Are daddy longlegs really the most venomous spiders in the world?

Rare octopus video shows 'once-in-a-lifetime encounter'

I Walked a Mile Every Day for 30 Days—This Is Why You Should Too

Infamous Mars meteorite contains organic molecules. But they aren't proof of life.

4-foot tsunami hits Tonga after explosive eruption of underwater volcano

Weird sand 'chess pieces' dot Lake Michigan shore. Here's how they formed.

Why is the world map you know wrong?

SpaceX Falcon 9 rocket spotted from space before and after epic 105-satellite launch (images)

New study provides first evidence of non-random mutations in DNA

Modern humans lived in eastern Africa 38,000 years earlier than thought

12 scientifically proven signs you’re in love

Bigfoot: Is the Sasquatch real?

What are Saturn's rings made of?

Curvature of space-time measured using 'atomic fountain'

Striking satellite photo captures Mount Vesuvius peering through a hole in the clouds

These birds have been singing the same songs for literally a million years

How are stalactites and stalagmites formed?

NASA's Perseverance rover is clogged up with pebbles

The virus behind 'mono' might trigger multiple sclerosis in some

Earth inhales and exhales carbon in mesmerizing animation

Huge nursery for icefish discovered beneath Weddell Sea in Antarctica

Largest 3D map of the cosmos could reveal the effects of dark energy

2,000-year-old Celtic hoard of gold 'rainbow cups' discovered in Germany

Shredded 'stellar streams' could lead to the Milky Way's missing dark matter

The Ultimate Essential Oil Guide: Which Ones to Use and for What

These Are My Absolute Favorite Sports Bras for Every Workout, Hands Down

9 teeth facts you probably didn't know

Earth is at the center of a 1,000-light-year-wide 'Swiss cheese' bubble carved out by supernovas

Omicron's not the last variant we'll see. Will the next one be bad?

A massive asteroid will zip past Earth next week. Here's how to spot it.

Pentagon launches new UFO office. Not all believers are happy about it.

Is dehumidifier water safe to drink?

The Renaissance: The 'Rebirth' of science & culture

The 'Gates of Hell' may finally be closed, Turkmenistan's president announces

Surgeons transplant pig's heart into dying human patient in a first

Hungry badger accidentally unearths hundreds of ancient Roman coins in Spain

What are tonsil stones?

Resistance bands leg workout ideas: Tone up with these four simple moves

Scientists watched a star explode in real time for the first time ever

How to be good at yoga

How radar works: The technology made famous by war

Remains of a man and dog trying to escape ancient tsunami found on Aegean coast

How much water is in Earth's atmosphere?

Geoengineering: Can we control the weather?

How to Express Gratitude With Yoga: 5 Happiness-Boosting Tips

What's it like inside a kangaroo pouch?

11 Foods to Eat for a Better Workout

U.K.'s first human case of H5N1 avian flu detected in man with pet ducks

Greenland sharks: Toxic, half-blind giants of the ocean

Best treadmills 2022

Will omicron wipe out delta forever?

Which muscles are used when cycling?

What are cardio heart rate zones?

Bizarre cloud of gas is one of the longest structures in the Milky Way

'Cosmic wildfires' burn bright in new photo of the Flame Nebula

Best electric toothbrushes 2022

The sun used to have rings like Saturn

Weird structures near Earth's core may be scars from a primordial interplanetary collision

10 Signs You Might Have High Estrogen Levels (And What to Do About It)

Wild video shows goldfish 'driving' a water-filled car in weird experiment

Rapid tests may not detect omicron early in infection

China's $1 trillion 'artificial sun' fusion reactor just got five times hotter than the sun

Deforestation: Facts, Causes & Effects

Ancient dog-headed statue found during Roman road excavation

Big hunk of failed Russian rocket crashes to Earth as space junk

Horned 'Viking' helmets were actually from a different civilization, archaeologists say

'Truly remarkable' fossils are rare evidence of ancient shark-on-shark attacks

Drug-resistant superbug lived on hedgehogs long before we used antibiotics

Periodic Table of Elements

Thousands of starlings form 'bent spoon' swarm over Israel

Watch 'coronal streamers' streak off the sun in close-up video from Parker Solar Probe

Astronaut snaps spectacular shot of crescent moon glowing over stunning sunset

10 fascinating findings about our human ancestors from 2021

Physicists crack unsolvable three-body problem using drunkard's walk

Unique tree-climbing lions roar again in Uganda (Op-Ed)

1,000-year-old mummy in fetal position found in underground tomb in Peru

China's Mars orbiter snaps amazing selfies above Red Planet

Can humanity run out of ideas?

How to watch the Quadrantid meteor shower this week

Asics on sale: The current best savings on a range of Asics shoes

Cheap adjustable dumbbells on sale: The best adjustable dumbbell deals

Treadmill deals: Save on ProForm and NordicTrack treadmills

What is the Fibonacci sequence?

Why do wisdom teeth come in so late?

The best night sky events to see in 2022

After Just 4 Sessions, I'm Completely Hooked on This Ancient Wellness Treatment

Peloton deals and discount codes: All the Peloton deals in stock and available today

Best water bottles 2021: Stay hydrated when walking, cycling or at the gym

5 archaeological 'digs' to watch in 2022

Is Earth expanding or shrinking?

'Cosmic monster' star spits energy with the force of a billion suns

Best shoes for Peloton 2022: Cycling shoes to suit your bike

We may finally be able to test one of Stephen Hawking's most far-out ideas

Scientists create never-before-seen isotope of magnesium

What are the largest rainforests in the world?

Why do we still measure things in horsepower?

These are the space missions to watch in 2022