How Did Stonehenge Get Its Altar Stone? New Research Adds to the Debate Between Human Effort and Glacier Transport

Trail Camera Photos Capture Rare Antelopes in a Kenya Forest Where Conservationists Once Feared They Had Vanished

10h

These Italian Teenagers Stayed Overnight at Their School. They Found Ancient Roman Ruins Hidden in the Basement

11h

In a First, NASA's Experimental X-59 Plane Flew Faster Than the Speed of Sound, Setting the Stage for 'Quiet' Supersonic Aircraft

11h

Rediscovered Drawings John Lennon Helped Create for the Beatles Became One of Rock ’n’ Roll’s First Music Videos

11h

Which Memes Deserve Digital Preservation? See the Online Videos the British Film Institute Selected for a New Archive

13h

Meet the 'Witch Croc,' a Strange Ancient Crocodile Relative With Two Legs and No Teeth That Roamed New Mexico During the Triassic

15h

When Patent Protections Couldn’t Keep Pace With Ingenuity in the Colonies, One Inventive Woman Took Her Case to Britain

15h

This Colorful Parrot Had Been Seen Only Once Over the Past Century. Birders Just Rediscovered It in an Unexplored Indonesian Forest

17h

Harriet Beecher Stowe Wrote a Work of Fiction That Seemed So Real That It Changed the History of the Country

17h

Among All the Great Things Benjamin Franklin Invented or Discovered, His Alter Egos Gave Him the Most Freedom

19h

America’s Original Travel Influencer Drew Up a Revolutionary Itinerary 200 Years Ago. There’s Still Plenty to See Along the Way

21h

A Shipwreck 'Almost Beyond Belief' Stunned Archaeologists in Norway With Its Cargo of Intact Porcelain Dishes and Luxury Goods

The Supermassive Black Hole at the Heart of Our Galaxy Seems to Be Blowing Wind—Just as Scientists Long Theorized

This Basilica Has Been Rising Above Barcelona for 144 Years. With Its Central Tower Now Complete, Pope Leo XIV Prepares to Visit

'Stupid Hot': Heat Waves Muddle the Minds of Animals and Humans as Confusion and Aggression Seem to Rise With the Temperature

Catch a Surprising Glimpse at WWII Leader Winston Churchill’s Pastime—Painting—at the First Major British Retrospective Since His Death

Scientists Have Been Studying Fire Salamanders for More Than 250 Years. They Just Discovered That the Creatures Glow Under UV Light

Because of a Mathematician From Rural Virginia Work on Global Positioning, You Have No Excuse for Getting Lost

What Determines Royalty Among Honeybees? Not Just a Distinct Diet—Queens Also Need Specially Built Regal Chambers, a Study Suggests

See 15 Inspiring Images of Americans’ Accomplishments in Space Exploration That Will Have You Reaching for the Stars

Shipwrecks Discovered Near the Bahamas Tantalize Researchers With Possible Ties to the Real Pirates of the Caribbean

A Woman’s Right to Vote Was Secured After Work That Was Inspired by Mothers and Driven by Maternal Instincts

When George Washington Decided It Was Time to Leave Office, He Inadvertently Set a Lasting Precedent

This Playful Interactive Reveals the Medical Advances That Have Made Life Better … and Sometimes Longer

In the Early 1900s, a Young Ecologist Shot a Wolf and Watched the Life Leave Its Eyes. That Changed His Position on Conservation

In the Early Days of Machine Learning, Massive Computers Said George Harrison Was a Woman. A.I. Has Come a Long Way

See the Rescued and Restored 'Alice in Wonderland' Mural Painted for Sick Children at a New York Hospital

What Key West’s Art Scene Reveals About America’s Creative Spirit

Scientists Made Sourdough Bread With Yeast Found on Ötzi the Iceman’s Mummified Body

NASA Officially Ends the MAVEN Mission Months After Losing Contact With the Mars Orbiter

George Washington Recorded a Recipe for Beer While Leading a Militia. Thanks to the New York Public Library, You Can Imbibe That History This Summer

Tonga's Enormous Volcanic Eruption Cleaned Up Part of Its Own Methane Emissions in 2022, Hinting at a Way to Fight Climate Change

Glittering Gold Can Stay Shiny for Centuries. Scientists Say They've Figured Out Why the Precious Metal Is So Resistant to Tarnishing

See the 'Spectacular' Gold-and-Gemstone Ring a Roman Likely Buried for Safekeeping 1,700 Years Ago

A Blip on a Telescope in a Colorado Parking Lot Bolstered a Space Mission That Has Found Thousands of Planets … and Counting

During the Revolution, American Women Fought for Freedom, Spied on the British, Cared for the Sick and Fell in Love. A New Exhibition Reveals Their Rich Wartime Stories

When the Fear of Polio Gripped the World, Jonas Salk’s Determination Led to a Liberating Medical Breakthrough

In a Plea to Preserve Them, One Photographer Has Captured 1,200 American Movie Theaters and Counting

Born in 1810, Margaret Fuller Was Labeled a Child Prodigy. She Later Used Her Intellect to Ask Important Questions About Women's Role in America

Georgia O’Keeffe Ignored Advice to Mimic Great European Masters. Her Goal Instead Was to Be a Great American Painter

This American Submarine Lost During WWII—Along With 83 Crew Members—Has Been Discovered in the Pacific Ocean

Can a Hedgehog Replace Winston Churchill? See Which Animals May Soon Swap in for Historical Figures on British Pounds

Google Wants to Release 32 Million Mosquitoes in California and Florida. Here's Why

Mathematicians Puzzled Over a Famous Problem for 80 Years. Now, They've Used A.I. to Identify a Clever Solution

Secrets From Centuries of Paris History Are Emerging From Archaeological Digs After the Notre-Dame Cathedral Fire

The American Revolution’s Overlooked Influence? Physics. How 'Common Sense' Spelled Out Astronomical Expectations for a New Nation

Smithsonian Magazine Presents: America at 250—The Revolutionary Spark

Archaeologists Excavating a Monastery in Spain Identified the Remains of a 14th-Century Queen—and Multiple Skeletons Buried in the Wrong Graves