Why Is a Cold War Bunker Buried Underneath This Medieval English Castle? In Case of Nuclear 'Armageddon'

These Tiny Ants Crawled All Over Larger Ants and Licked Them Clean. Scientists Aren't Sure How This Behavior Benefits Any of Them

Large Invasive Rodents Are Wreaking Havoc in California. New Research Suggests Someone Deliberately Introduced Them

In the 1990s, a Dog Taught Kids About Shakespeare and Homer. A New Documentary Tells the Tale of 'Wishbone'—From His Backflips to His Historical Hats

'Fresh Eyes on Ice' Teaches Kids to Collect Vital Ice Data in Remote Alaskan Communities

Medieval Writings and Tree Rings Helped Researchers Track a Solar Storm From 800 Years Ago and Reconstruct Past Solar Cycles

A Sudden Squall Doomed This Stone-Hauling Vessel in Lake Erie. Divers Just Found the Shipwreck More Than 150 Years Later

A Glowing Sphere Towering Over Utah Sent an Urgent Artistic Message: The Great Salt Lake Is Drying Up

Ancient Humans Mastered Fire. Now, Burning Fossil Fuels and Blazing Landscapes Threaten to ‘Undo the World’

11h

Why Does This Newly Discovered 2,000-Year-Old Stone Slab Depict a Roman Emperor as an Egyptian Pharaoh?

See the Most Adorable Photos of Baby Elephant Linh Mai, the National Zoo’s Newest Star

How Do Different Psychedelics Affect the Brain? Scientists Analyzed More Than 500 Neural Scans to Find Out

Does Your Cat Always Leave Behind a Half-Full Bowl of Food? New Research Points to Why Our Furry Friends Can Be Such Picky Eaters

Turtles May Have Been Tasty Snacks for Neanderthals 125,000 Years Ago. But Their Shells Were Probably the Real Prize

Scientists Just Made the Most Complete Map of the Clitoris's Sensory Nerve Network. Here's What They Found

A Rare 1897 Film Discovered in an Old Trunk in Michigan Features the First On-Screen Appearance of a Robot

The Hell Creek Formation Is North America's Legendary Boneyard. See the Top Five Discoveries Found in the Iconic Fossil Bed

Colombia Plans to Euthanize Dozens of 'Cocaine Hippos,' Descendants of Animals Brought by Notorious Drug Trafficker Pablo Escobar

Born to a Family of Sharecroppers, This Topiary Artist Overcame Discrimination to Become the 'Picasso of Plants'

Long Misidentified, This Seal Tooth Pendant Was Carefully Crafted by a Prehistoric Human Roughly 15,000 Years Ago

One of the American West's Most Iconic Birds Is Attempting to Mate Near a Dangerous Airport. Could Robo-Birds Help Save Them?

From Sparkling Tiaras to Pastel Hats, New Buckingham Palace Exhibition Celebrates the Fashion of Elizabeth II

The National Gallery of Art Holds an Artistic Mirror Up to the United States for Its Big 250th Birthday

On Major Music Release Days, Stay Extra Vigilant While Driving. Car Crash Deaths Seem to Spike When Top Artists Drop New Albums

The Antilla Shipwreck Tells the Story of When World War II Came to Aruba

War Can Feel Surreal. See How This American Photojournalist Captured the Horrors—and Dark Humor—of World War II

This Millennium-Old Sacrificial Altar in Mexico Belonged to a Civilization That Thrived Before the Aztecs

This Nearly 300-Million-Year-Old Mummified Reptile Reveals the Evolutionary Origins of How We Breathe

A Dizzying Spiral Staircase With a Single Guardrail Once Led to the Top of the Eiffel Tower. Now, You Can Buy 14 of the Original Steps

Rolled Up in a Cellar for Decades, This Artemisia Gentileschi Painting Is Now Up for Auction. Why Is Mary Magdalene's Face Missing From the Portrait?

Songkran Is Thailand’s Splashing New Year’s Festival, When Everyone Gets Out a Super Soaker and Prepares to Get Drenched

In a First, This Personalized Cell Therapy Treated Three Life-Threatening Autoimmune Diseases in One Patient

In 1776, the Declaration of Independence Was Breaking News. Here's How the Founding Document Reached the American Public

Where Does This Anti-War Masterpiece Belong? In Spain, a Request to Borrow Picasso’s ‘Guernica’ Sparks a Bitter Debate

Enslaved and Free Workers Built Thomas Jefferson's Monticello Brick by Brick. Archaeologists Just Discovered One of the Kilns They Used

Artemis 2 Astronauts Successfully Return to Earth After Completing a Historic Mission Around the Moon

These Wild Chimps Have Been Fighting in a 'Civil War' for Nearly a Decade. It's the Bloodiest Split Ever Seen Among Their Kind

This Vincent van Gogh Painting Was Found Wrapped in an Ikea Bag and a Blood-Stained Pillow. Now, the Artwork Has Been Restored to Its Former Glory

After Nearly 80 Years of Doubt, Scientists Say a Spear Lodged Between Elephant Ribs Offers Evidence That Neanderthals Hunted Big Game

See 15 Sensational Scenes of Switzerland, Europe's Alpine Wonderland That's Beautiful No Matter the Season

This Fashion Designer Collaborated With Salvador Dalí and Jean Cocteau to Imagine Fabulous Surrealist Ensembles

The James Webb Space Telescope and the Parker Solar Probe Changed How We See the Universe. Now, Their Models Have Found a Home at the Smithsonian

As Their Antarctic Habitat Melts Away, Emperor Penguins Are Now Considered an Endangered Species

Octopus Sex Just Got Weirder. In Addition to Depositing Sperm, Males' Specialized Mating Arm Can 'Taste' Female Hormones

A Mysterious, Monumental Scroll on Public Display for the First Time Paints a Picture of Artistic Fusion in Colonial India

Chiringuitos Offer the Quintessential Beach Bar Experience on Spain's Costa del Sol

Jesus's Burial Cloth or Medieval Forgery? DNA Evidence Further Complicates the Debate Over the Shroud of Turin

Watch These Rock-Climbing Fish Scale a 50-Foot Waterfall in the Congo Basin, the First Known Evidence of This Behavior in Africa

What Lies Beyond Artemis 2? These Other Missions Are Setting Their Sights on the Moon This Year—and on a Future With Humans in Space

A Small Rodent Hero Left a Giant Legacy. Now, Cambodia Honors This Famous Bomb-Sniffing Rat With a Seven-Foot Statue