Where Did Stonehenge's Mysterious, Six-Ton Altar Stone Really Come From? Geologists Rule Out the Scottish Hypothesis as the Search Deepens

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This Wooden Wardrobe in Pompeii Remained Sealed for Nearly 2,000 Years. Archaeologists Just Opened It for the First Time

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For Centuries, Cave Visitors Walked Right by 280 Ice Age Engravings. The Newly Discovered Rock Art Is Rewriting Catalonia's Prehistory

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CARE Packages Provided a Lifeline for World War II Survivors. Here’s How the Group Turned Leftover Army Rations Into an 80-Year Legacy

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Strange Gas in Mars' Atmosphere Hints the Red Planet Is Still Volcanically Active—and Points to Places to Search for Alien Life

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These Moths Use Their Genitals to Fend Off Bats—but Not in the Way You Think. They Emit Ultrasound to Scramble the Predators' Sonar

The Arctic Polar Vortex Is Collapsing Earlier in the Season Than Ever Documented—but We Don't Know How It'll Affect Global Weather

Michelangelo Used These Custom, Multi-Headed Brushes While Painting 'The Last Judgment' to Replicate His Intricate Sculpting Techniques

The Real Story Behind the 504 Sit-In for Disability Rights, the Longest Peaceful Occupation of a Federal Building in American History

Fossil Footprints in Brazil Hint at a Cougar-Size Mammal That Walked Among Dinosaurs. It's Another Sign That Some Early Beasts Grew to Impressive Sizes After All

Hear, Hear to Long Ears: These 15 Furry Photos of Adorable Rabbits and Hares Will Have You Leaping for Leporidae

A Nazi Submarine Torpedoed a Merchant Ship Just Off the Coast of Maine in 1944. Divers Have Finally Located the Wreckage, 400 Feet Below the Surface

Was the British King Who Urged the Romans to Invade Actually a Queen? One Archaeologist Thinks So

China Announces a Plan to Put Astronauts on the Moon by 2030, Revealing Details of Four Upcoming Missions

This Bull and Male Donkey Have a Surprisingly Sexual Relationship, Providing Insights Into Interspecies and Same-Sex Bonds

America's Newest UNESCO World Heritage Site Is a Swamp—and That's Exactly Why You Should Go

This Ancient 'Hell Chicken' Might Be the First Known Fruit-Loving Dinosaur, Revealing a Whole New Cretaceous Lifestyle

Archaeologists Found a 3,300-Year-Old Sword at the Bottom of a Volcanic Lake in Italy—and It's Still Sharp

It's Not Just You: Some Fast-Flying Birds Also Get Jet Lag

Actually, You Can Go Back to Constantinople. A Landmark Exhibition Reconstructs the Imperial City With 1,600 Years of Treasures From Byzantine and Ottoman Times

Faded Over Millennia, the Intricately Carved Sandstone Walls of This Ancient Egyptian Shrine Will See Color Once Again

New York Had Its First Measles Death in 30 Years. Here's What to Know

Scientists Say They've Found Preserved Dinosaur Blood in a 115-Million-Year-Old Fossil, but Not Everyone Is Convinced

Forensic Analysis of Frozen Inca Mummies Reveals That Sacrificed Children Were Plied With Coca Leaves, Corn Beer and Ayahuasca Compounds Before Death

The Four-Color Theorem Has Haunted Mathematicians for Decades. It Just Got a Rare New Proof, but Some Still Long for a Simpler Solution

See the World's Tallest Day of the Dead Skeleton, Made From Steel, Fiberglass, Papier-Mâché and 70,000 Marigolds

Archaeologists in Scotland Discovered the Skeleton of a Roman-Era Man Who Was Decapitated Nearly 2,000 Years Ago. Now, You Can See What He Might Have Looked Like During His Lifetime

See a Stunning Simulation of the Early Universe, Which Will Help Astronomers Shed Light on the Cosmic Dark Ages

Native Hawaiians Descend From a Group of 'Ultravoyagers' Who Sailed About 4,400 Miles From Easter Island, Genetic Study Suggests

A 'Poor Man’s Rembrandt' for a Few Hundred Bucks? At Amsterdam's Rembrandt House Museum, a Pop-Up Tattoo Studio Is Inking 17th-Century Masterpieces on Human Canvases

After Observing the Sky for 22 Years, a Beloved NASA Space Telescope Is Expected to Meet a Fiery Death This Week

From Hunting Hounds to Modernist Muses, Dachshunds Have Done It All. See the World's First Art Exhibition Dedicated Exclusively to the Sausage Dog

Greece Has Its Own Pompeii, and the Ruins Tell a Captivating Story of a Sophisticated, Seafaring Bronze Age Society

Engineers Delicately Removed the Masts From This Bomb-Laden World War II Shipwreck in the River Thames. But 1,500 Tons of Explosives Are Still in Place

Scientists Feared This Cute but Venomous Primate Had Gone Extinct Nearly 100 Years Ago. It Was Hiding in Plain Sight All Along

Do Spiders Dream? These Arachnids Twitch, Curl Their Legs and Move Their Eyes When Asleep, Hinting at a Complex Brain State

As Most of England Relaxed Its Stance on Witchcraft, One Hardline City Bucked the Trend. It Even Went After 'Service Magicians,' Who Used Magic to Investigate Petty Crimes

How an Irish Backroad Tradition Is Rolling Into Small-Town America

After Sitting in a London Museum Since 1924, This Dinosaur Fossil Was Named a New Predatory Species—an 'Unconquered Female Warrior'

Melting Ice in the Italian Dolomites Exposes Hundreds of World War I Munitions, Vestiges of the Vertiginous 'White War'

Tired of the Winter Blues? The Unique Festival of Lights Zagreb Marks the Much-Anticipated Arrival of Spring

Crafted From Bone, This 2,800-Year-Old Flute Unearthed in Troy May Have Been Played Around the Time That Homer Composed 'The Iliad' and 'The Odyssey'

A Dog Left a Paw Print on This Mud Brick 4,000 Years Ago. Archaeologists Discovered It in the Rubble of a Bronze Age House

Madagascar's Giant Bats Seem to Be Shrinking. After Measuring 121 Specimens, Scientists Suggest Hunting by Humans Is to Blame

This Rosy Stone Spotted in the Sahara Turned Out to Be a 4.1-Billion-Year-Old Meteorite From Mars, One of the Oldest Ever Found

Manga Are Black, White and Read All Over. Treasures of the Globally Popular Japanese Comic Book Medium Are on View in New York

What Can Space Offer Humanity? In Pursuit of the Answer, Astronauts Have Been Making a Home in Microgravity for Decades

Where Is England's Oldest Pub? An Archaeologist Drilled Into 600-Year-Old Timbers to Answer the Contentious Question

Three in Four Former NFL Players Who Died From 2008 Through 2023 May Have Had CTE, a Brain Disease Caused by Repeated Head Injuries

For Over Four Years, the Hirshhorn Worked to Revitalize Its Sculpture Garden. Today, It's Home to a 'King and Queen,' a 'Wish Tree' and a 55,000-Pound Vertical Swimming Pool Artwork