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AI chatbots are sucking up to you—with consequences for your relationships

A new study of AI sycophancy shows how asking agreeable chatbots for advice can change your behavior

NASA spots comet reversing its spin in a first for science

In 2017 NASA's Hubble Space Telescope zoomed in on a comet as it passed around the sun. And then things took a more unusual turn

Is the universe swarming with tiny black holes?

Long ago, the cosmos might have been a black hole factory—and these primordial objects are even weirder than you think

How do mRNA vaccines work, and why are they safe and effective?

The COVID pandemic ushered mRNA vaccines into the spotlight, and the technology has even greater potential. Here's what to know about the way that they work, their safety, and more

The truth about pain that your doctor might not tell you

A pain scientist breaks down the surprising brain‑body science that explains why so many of us hurt more than we have to

AI wrote a scientific paper that passed peer review

The arrival of AI-generated research papers marks a turning point that could radically accelerate discovery—or drown it in automated mediocrity

We thought we knew the shape of the universe. We were wrong

Decades of data have suggested the universe is flat, much like an infinite plane. But a new analysis reveals deep flaws in that simple conclusion

How to Turn a Chicken Egg Into a Drug Factory

CARL ZIMMER

A biotech start-up is testing a novel way of efficiently producing pharmaceutical drugs.

Trump’s new science panel includes 9 tech billionaires—and just one scientist

There's a glaring hole in the president's new science and tech council

NASA’s Artemis II astronauts arrive in Florida ahead of moon launch

During their 10-day mission, the four-person crew will swing around the far side of the moon—and potentially travel farther from Earth than anyone in history

How human neurons on a chip learned to play Doom

Cortical Labs says the stunt points toward a new kind of low-power computing—and perhaps a new way to study neurological drugs