Chatbots put through psychotherapy report trauma and abuse. Authors say models are doing more than role play, but researchers ...

A Congressional bill restores funding for most NASA space science missions, but there is no money for returning samples ...

Scientists have uncovered a way to manipulate the pathway in monkey brains that puts the brakes on motivation.

China’s Experimental Advanced Superconducting Tokamak (EAST) is a nuclear-fusion research reactor in Hefei. Researchers hope ...

A huge data set has confirmed a long-theorized relationship between the size of stock trades and the impact on prices.

A material that can switch its appearance, cephalopod-style, could have future applications in robotics or display technology ...

Analyses of mpox clades currently in circulation provide clues to how the virus managed to spread worldwide in 2022 — and how ...

A giant functional atlas of immune cells in a Chinese cohort reveals crucial differences with European and Japanese data sets ...

What was originally thought to be a planet orbiting the Fomalhaut star was probably just the fallout of a wild collision.

Studying ancient sea creatures’ snoozing habits could shed light on the origins of sleep.

Tadeo Ramirez-Parada studied the timing of plant flowering for his PhD — but he didn’t touch a single petal. Instead, he ...

Drugs that limit the activity of cells called neutrophils could make heart attacks less severe without compromising the ...