A mystery writer planned to retire. Now she’s leading a team of genetic detectives – and giving murder victims back their names

Rare element actinium gets a candid portrait under X-rays

Scientists Found a Surprise New Continent Hiding Beneath Greenland

Video: We Need to Rethink Exercise – The Workout Paradox [11:59]

Video: He secretly changed this freeway sign, helped millions of drivers [9:30]

Video: The weirdest (and coolest) tongues in the animal kingdom [5:16]

The Biographies of Marie Antoinette and Mary Queen of Scots

Is the universe still making new galaxies?

Meet the Mysterious Beast of Gévaudan, France’s 18th-Century “Werewolf”

Resembling a Stonehenge of the Sea, These are the Mysteries of Norfolk’s Seahenge

Promised Cures, Tainted Cells: How Cord Blood Banks Mislead Parents

Rogue antibodies may cause some long COVID symptoms

During 1972 presidential campaign, a future assassin got within feet of Nixon in Ottawa

Video: When Natural Gas Had No Smell [16:26]

She Didn’t Like His Song, So She Tried to Eat Him

Comet Shoemaker-Levy 9: The backstory and its impact

The Strange, Long-Clawed Therizinosaurus Looks Like an Evolutionary Experiment

Video: This Drone Video Shows What It’s Like to Climb to Mount Everest’s Summit [04:11]

Last Universal Common Ancestor (LUCA) Is Much Older Than We Thought

‘World’s rarest spade-toothed whale’ washes up on New Zealand beach

Underground cave found on moon could be ideal base for explorers

Video: Catatumbo Lightning: Venezuela’s Never-ending Storm [08:50]

Polar ice melting makes Earth heavier to rotate, causing longer days: Study

The Central U.S. is at risk for major shaking. But scientists don’t know why — or when — the next big one will strike.

Battery X: A Secret Test of Women at War during WWII

What the All-American Delusion of the Polygraph Says About Our Relationship to Fact and Fiction

AI’s ‘Oppenheimer moment’: autonomous weapons enter the battlefield

Anesthesia Induces Unconsciousness by Destabilizing Brain Activity

Is a male Nazi high jumper who competed as a woman really behind sex testing at the Olympics?

Instagram influencer jailed for trafficking and slavery

Scientists discover how water controls muscle speed and performance

Attacking Italians in Louisiana

How naturally-produced opioids help plumb the depths of animal minds

What Could Explain the Gallium Anomaly?

Australian Fossilized Amber Reveals A 42 Million Year-Old Secret

Modern hurricanes are rewriting the rules of extreme storms

The Disappearing Arborglyphs Carved by Sheepherders Across the American West

You Can Now Visit France’s First-Ever Cheese Museum

Video: Hornbills: Dino-birds with large keratin casques [11:01]

Astronauts are stuck on the International Space Station after yet more problems with Boeing’s beleaguered Starliner

Erica picked up a rock by chance 10 years ago. It might hold the oldest form of complex life on Earth

‘We used 1,000 historical photos to reconstruct Antarctic glaciers before a dramatic collapse’

‘Sensational’ Proof Delivers New Insights Into Prime Numbers

Google and Microsoft now each consume more power than some fairly big countries

Here’s what’s (probably) on the other side of a black hole

‘Goldmine’ collection of wheat from 100 years ago may help feed the world, scientists say

460 years after it sank, this ship is almost ready to sail again, thanks in part to Canadian know-how

NASA’s flagship mission to Europa has a problem: Vulnerability to radiation

Johannes Hartlieb’s Book of Herbs (1462)

How Mississippi man’s release from Nashville jail ended in Lauren Johansen’s death. ‘Someone in our office made a mistake’

AI supercharges data center energy use – straining the grid and slowing sustainability efforts

Edith Clarke: Architect of Modern Power Distribution

When Facial Recognition Helps Police Target Black Faces

Animals use physics? Let us count the ways

Video: How Cheap Cigars Legitimized Quantum Mechanics [12:04]

Why Does Drinking Water Feel so Rewarding When One is Parched?

Identical twins raised in Korea and the US show surprising differences in IQ, new study reveals

How a ‘boring’ Arctic town became Europe’s Capital of Culture

How Utah became the most exploitative state in private adoption

4.2 Billion Years Ago, Our Last Universal Common Ancestor Was in an “Arms Race” Against Life’s Greatest Adversary: The Virus