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A face-swapping illusion can unlock childhood memories

By making people feel as if they inhabit a younger version of their own face, researchers can bring childhood memories into sharper focus

250-million-year-old fossil proves mammal ancestors laid eggs

Laying eggs may have helped mammal ancestors thrive after Earth's worst mass extinction

Why do older people have fewer seasonal allergies?

Do declining immune systems explain the trend, or is something else going on? Experts explain

NASA needs nuclear power for its moon base. Here’s the White House plan to get it

If the U.S. is ever to set up a permanent outpost on the moon, it will need nuclear power. The White House just released a road map to get it as soon as 2028

When a naked mole rat queen dies, that usually means war—but not for this colony

When their queen dies, naked mole rat females usually wage bloody battles of succession. But peace may be possible, a new study suggests

The Trump administration is looking to experts to weigh in on peptides

Peptide-based substances are largely unproven and risky, experts say, but they're gaining popularity among influencers and athletes—and the U.S. health secretary.

Effect of antiamyloid Alzheimer’s drugs ‘absent or trivial,’ Cochrane review finds

These drugs were hailed by proponents as breakthroughs in the fight to treat Alzheimer's disease, but a new independent review finds they make "no meaningful difference"

10 dinosaur science books recommended by a paleontologist

Steve Brusatte, author of The Rise and Fall of the Dinosaurs and The Story of Birds, recommends 10 dinosaur books to dig into

How far from humanity were the astronauts of Artemis II? The answer will surprise you

Artemis II's crew went farther from humanity than anyone has been before. Here's how one scientist determined whom, specifically, they were farthest from

Secrets of cosmic evolution may lurk in this black hole’s ‘dancing’ jets

A first-of-its-kind observation shows how jets from voracious black holes can shape the growth of galaxies

How the Grand Canyon formed is a surprisingly messy story. Here's the latest clue

A new study suggests a proto–Colorado River filled a large basin before spilling westward to set the Grand Canyon's modern path

Astronomers just finished the biggest, sharpest 3D map of the universe—and it’s beautiful

A new map of the cosmos, including more than 47 million galaxies and other cosmic objects, represents one of the most extensive surveys of our universe ever conducted

Elizabeth Roboz Einstein—the determined genius behind a multiple sclerosis breakthrough

A Hungarian refugee who came to the U.S. with nothing but a diploma made a breakthrough discovery in the burgeoning field of neurochemistry

NASA Artemis II astronauts say thank you to the world

Astronauts Reid Wiseman, Victor Glover, Christina Koch and Jeremy Hansen reflected on the highs and lows of their moon mission—the first of its kind in more than 50 years

Congress grills RFK, Jr., about vaccines and cuts to health budget

The HHS secretary defended proposed budget cuts to science, his vaccine moves and health care costs on Capitol Hill on Thursday