Mercury Has Wrinkles That Show It's Shrinking. Now, Scientists Say the Planet Has Shriveled Far More Than Previously Thought

Claude Monet’s Long-Hidden ‘Iris’ Is About to Become the Most Expensive Painting Ever Auctioned in France

For Years, the Smithsonian Strove to Bring the African American History and Culture Museum to the National Mall. Now, It Celebrates a Decade as a Beacon of Understanding, Community and Resilience

More Than 800,000 Bees, Worth Tens of Thousands of Dollars, Have Been Stolen in ‘Sophisticated’ Heists Across Northern Australia

Scientists Say the Human Brain Might Be Made of Two Distinct Nervous Systems That Got Squished Together

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Cameras Capture Adult Chimpanzees Passing Tools—and Know-How—to Their Young, Teaching Important Skills to the Next Generation

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Workers Extracting Gravel From the Danube River Dredged Up a 2,200-Year-Old ‘Rusty Treasure’ That Could Have Equipped an Army

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Did Thomas Jefferson Father Sally Hemings' Children? After More Than a Decade of Research, the Answer Is Finally Firmly in Hand

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A Rare Aztec Codex Detailing the Rise and Fall of Tenochtitlan Returns to Mexico for the First Time in Nearly Two Centuries

Henry VIII Relied on This Courtier to Enforce His Orders During the English Reformation. Behind the Scenes, the Tudor Politician Defied His King by Secretly Saving a Catholic Text

The Brain Shrinks as We Age and During Major Transitions. But Surprisingly, It Seems to Take a Break From Rewiring During Menopause

Archaeologists Are Reconstructing the 'Invisible' Technologies of the Stone Age, From Rope to Thread and Twine

An Armadillo Found in Ohio Is the Latest Surprise in the Armored Animals' Expansion North. Where Are They Now, and What's Driving Their Movement?

A Cutting-Edge English Initiative Replaces Lawnmowers With Scythes to Restore Wildflowers and Save the Bees

The Lucas Museum of Narrative Art, a New Endeavor From the Creator of 'Star Wars,' Is a Story in Itself

Active Supermassive Black Holes May Be Engines of Star Formation, Not Just Destruction, Study Suggests

Alcohol-Related Cancer Deaths Have More Than Doubled in the United States Over the Past 30 Years, Study Suggests

A Researcher Studying in a Dutch Library Was Amazed to Discover a Scrap of Parchment From a 1,700-Year-Old Copy of ‘The Odyssey’

Meet the Adorable and Tiny Tilcayo, the First Brand-New Cat Species Identified in More Than a Century

From ‘Sunday Scaries’ and ‘Whack-a-Mole’ to ‘Looksmaxxing’ and ‘Cuffing Season,’ These Are the Newest Words in the Dictionary

Before State Lines: Here Are Five Ways Montana Has Been Keeping Time for Ages

The Moon Just Got a Massive New Crater That's Wider Than Two End-to-End Football Fields. It's a 'Once-in-a-Lifetime Observation'

A Herd of 40 Life-Size Bison Puppets Will Stampede Through New York This Weekend to Honor Indigenous History and Resilience

From 22,000 Miles Up, This Satellite Tracks Airborne Health Threats Almost in Real Time

Centuries Ago, an Architect Characterized the Parthenon’s Curves as a Clever Optical Illusion. Now, a Mathematician Begs to Differ

Tyrannosaurus Rex Was a Warm-Blooded Dinosaur, With a Body Temperature Similar to That of Humans, Study Suggests

The Ancient DNA of a Deadly Animal Virus Has Been Lurking in Medieval Manuscripts for Centuries, Researchers Find

Five Ways the World of the Dinosaurs Looked Different From Ours, Beyond the Presence of the 'Terrible Lizards'

A Humpback Whale Mom Stayed With Her Stillborn Calf, Repeatedly Touching It and Staring Into Its Eyes. Was She Grieving?

The Founders of the 'New York Times' Pledged to Cover 'Every Subject of Public Importance.' 175 Years Later, the Paper Continues to Publish 'All the News That's Fit to Print'

Scientists Created Mice With Half-Human Brains. The Hybrid Animals Could Revolutionize Our Understanding of Neurological Disorders

Pope Leo XIV Makes a Splash for His 71st Birthday, Announcing a Water-Themed Art Exhibition at the Vatican Library

Bought for $30 at an Estate Sale, This Long-Lost Gertrude Abercrombie Painting Could Now Fetch $250,000

A Tiny Town in the Italian Riviera Has Its Own Version of Focaccia, and Let This Be a Warning—It's Addictive

Billions of Years Ago, Venus May Have Had a Moon—Which the Planet Promptly Gobbled Up, Study Suggests

A Rare Marble Sculpture by America’s First Professional Female Sculptor Sat Hidden in Plain Sight for Decades in an English Garden

Researchers Have Analyzed the Roman Empire’s 190,000-Mile Network of Roads. Turns Out, Not All of Them Led to Rome

New Zealand Welcomes a Record 90 Kakapo Chicks, Helping the World's Chunkiest Parrot Species Rebound From the Brink of Extinction

A 66-Million-Year-Old Feather Trapped in Dinosaur Poop Might Help Explain Why Some Birds Survived Mass Extinction

This New Brain Map Shows Every Nerve Cell in an Adult Male Fruit Fly's Central Nervous System. Here's Why That Matters

Three Wild Dogs Made a Record-Breaking Trek Across Zambia, Traveling More Than 2,500 Miles in Search of Mates

Mysteriously Stolen More Than 30 Years Ago, and Illicitly Transported to the U.S., This 300-Pound Sculpture Is Finally Back Home in France

Some Fish in the Great Lakes Might Be More Than 400 Years Old, a Study Suggests, Outliving Around 15 Generations of Humans

Tasmanian Devils Lived Alongside Humans in Northwestern Australia as Far Back as 45,000 Years Ago, Researchers Find

The Ruins of a Long-Lost Medieval Convent Have Been Discovered Just a Few Feet Beneath a Soccer Field

Two Chonky, Mountain-Dwelling Marmots Were Found in the Bay Area. What Were They Doing So Far Away From Their Home?

A Geologist in California Found Something Strange Sticking Out of a Creek. A Reverse Image Search Told Her It Was an Ancient Mastodon Tooth

Russia Sends the Centuries-Old Remains of a Medieval Warrior Prince to Its Front Line in Ukraine, Hoping to ‘Spiritually Strengthen’ Troops

What If Emmett Till Had Lived? A New Exhibition Imagines an Alternate Future for the Murdered Black Teenager

Renovations at Buckingham Palace Have Revealed Fascinating Artifacts Previously Lost to Time Lodged in Its Walls and Floors