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How marijuana rewires the teenage brain

Hantavirus cruise ship, PCOS name change, a fish that hides in another animal’s ‘butthole’

Did Homo erectus and Denisovans mate? Tooth proteins hint at ancient trysts

This small rodent is at the center of theories about the hantavirus outbreak

These ants navigate with a compass tuned to the moon

NASA reveals new clues to 2027’s Artemis III, the final test mission before a moon landing

Scientists catalog the ‘fractal dimensions’ of more than 130,000 islands

Hantavirus can persist in semen for years, but that doesn’t mean it remains contagious

A real Mr. Snuffleupagus? Meet the ocean’s strangest new fish species

This startup wants to make drugs in orbit. If it succeeds, it could transform the space economy

How to arm yourself against hantavirus misinformation

Can plants have consciousness? The film Silent Friend reimagines the science

Asking AI to explain your medical results? What doctors want you to know

Microbe ‘cities’ may solve a key ocean mystery

Are astronomers ignoring some of the cosmos?

Why Black women are at greater risk for fibroids and endometrial cancer

To celebrate Endangered Species Day, meet the scaly-foot snail, the most metal animal in the world

U.S. Supreme Court allows mifepristone by mail—for now

There’s an 82 percent chance El Niño will ‘emerge soon,’ NWS says

‘Golden rule’ in abstract art just discovered by mathematicians

Implantable ‘living materials’ that deliver drugs on demand could help fight infections

Doubts grow over theory that bird-watchers’ trip to Argentine landfill sparked hantavirus outbreak

NASA’s Psyche mission is snapping photos of Mars on its way to an asteroid

Can helium-3 create a ‘gold rush’ on the moon?

The war in Iran is supercharging an ecological crisis in the Persian Gulf

Deep-Earth diamonds reveal trove of never-before-seen minerals

Depression scales may not work the same for highly intelligent people

2026 FIFA World Cup players and fans at risk of extreme heat, climate scientists warn

Almost half of the objects in Earth’s orbit are junk—and that’s only the stuff we know about

Can hantavirus spread through the air? What we do and don’t know

Americans are increasingly open to using psychedelics for medical reasons

59,000-year-old Neanderthal tooth may be oldest evidence of dentistry

Radar picks up on bird migration. But how do we tell birds and storms apart?

Are attention spans really shrinking? What the science says

Baby ‘cosmic fossil’ galaxy brings JWST closer to glimpsing the universe’s first stars

Tiny robot drones learn to navigate the world like honeybees

WHO warns the world is falling short of and even reversing its health targets

Why hantavirus takes so long to show symptoms and what that means for containment

Quitting weight-loss drugs or a diet can cause weight regain—two strategies could help prevent that

Each atom in the universe might be unique

Do you need more protein? What science says about high-protein diets

Hantavirus treatments are coming, but funding is holding them back

Ivermectin prescriptions spiked after Mel Gibson touted it for cancer on Joe Rogan’s podcast

Trump’s FDA Commissioner Marty Makary resigns

Math reveals the one game of chance you should always accept

See SpaceX Starship V3 megarocket on the launchpad as it gears up for its next test flight

China’s Yangtze River has been ‘pirating’ water from the Yellow River for more than a million years, scientists reveal

PCOS just got a new name—here’s what to know

NASA’s Apollo moon missions relied on this computer scientist and differential equations

Gemstones on Mars—why the Red Planet could be harboring rubies, opals, and more