We Might Have Accidentally Killed the Only Life We Ever Found on Mars Nearly 50 Years Ago

Now classified as a hurricane, Hilary could touch down in southwestern U.S. this weekend

The Man Who Pierced the Iron Curtain in a Flying Go-Kart—and Left Civilization Forever

Delicate Drops by Heidi Westum

Himachal Pradesh floods: More rain, less snow are turning Himalayas dangerous

3D Printers Go Rogue, Start Printing While Owners Are Asleep

Why was there no water to fight the fire in Maui?

Video: What Happens If You Destroy A Black Hole? [11:47]

A New Study Reveals Surprising Secrets About Ötzi the Iceman, a 5,000-Year-Old Mummy

See Inside a Ghost Town of Abandoned Mansions in China

Research team identifies a highly unusual star that may evolve into a magnetar

Math’s ‘Hairy Ball Theorem’ Has Surprising Implications

Photo captures moment parasitic fungus bursts from huge spider’s body

Stunning photos of a new African wonder

Surgeons transplant pig’s kidney into brain-dead man; Organ works normally even after a month

Video: The Chef Who Can’t Eat What She Cooks [3:36]

Neptune’s Clouds Just Disappeared — and Astronomers Think They Know Why

Ancient, impressive water pipe system in China was made by egalitarian society

Fully Intact Giant Panda Skeleton Discovered in Chinese Emperor’s 2,000-Year-Old Tomb

Sound Really Can Travel in a Vacuum, And We Can Finally Explain How

How the 1908 Council of Governors Brought Governors and Moguls Together to Prevent Environmental Catastrophe

New Horizons Is Now So Far Away, It Can Measure The True Darkness of Space

‘Like becoming a refugee again’: They paid for their crimes. The US deported them anyway

What Is Narcissism? Science Confronts a Widely Misunderstood Phenomenon

DARPA’s new study to enable a shared lunar infrastructure

13 billion-year-old ‘Maisie’s galaxy’ is one of the oldest objects in the universe, James Webb telescope reveals

Brown Bears Fishing at Alaska’s Brooks Falls

SETI Deploys New Instruments in Search for Alien Intelligence

The Titan Submersible Disaster Was Years in the Making, New Details Reveal

New space race reignites the epic of lunar probes half a century later

What Happens to All the Stuff We Return?

Why Darwin Admired the Humble Earthworm

How Rescuers Found Four Australians and Two Indonesians Lost at Sea

Newly Discovered World Directly Challenges Our Understanding of Planet Formation

Math Proof Draws New Boundaries Around Black Hole Formation

‘How They Tried to Kill Me’

The Body, Not the Brain, Regulates Sleep

The race to tap the Moon’s immense value

Video: How the water you flush becomes the water you drink [5:22]

When two stars orbit each other, gravity gets weird

Video: Submarine Cables and the Rise of Mass Surveillance [26:30]

‘Forever Chemicals’ Are Everywhere. What Are They Doing to Us?

Russia’s Luna-25 spacecraft enters lunar orbit -space agency

Video: How Money Laundering Actually Works [22:29]

What did Cleopatra, Egypt’s last pharaoh, really look like?

Inside MIT’s nuclear reactor laboratory

The bubbly chemistry behind carbonated beverages

Man Uses Strange Rock as Doorstop For Decades. It Turned Out to Be Worth a Fortune.

How should we remember Trinity Site, where the first nuclear bomb was tested?

What Happened When the US Set Off Nuclear Weapons in One of the Most Geologically Active Places on Earth?

The Sriracha Shortage Is a Very Bad Sign

On the Men Who Lent Their Bodies (and Voices) to the Earliest Iterations of Superman

Scientists reconstruct Pink Floyd song by listening to people’s brainwaves

On this day in 1984, 37 people died when a nearby lake exploded

Futuristic Paper Shows It’s Feasible to Build a Space Station on an Asteroid

How Rocks and Minerals Play with Light to Produce Breathtaking Colors

A New Experiment Casts Doubt on the Leading Theory of the Nucleus

This Molecule May Have Seeded Earth Life

Michigan State students discover traces of school’s first observatory built in 1881

This solar cycle, the sun’s activity is more powerful and surprising than predicted