Billions of sea stars have wasted away in recent years, their crustose, spiny bodies melted to goop by a mysterious illness ...

Watch Boston Dynamics' Atlas robot doing training routines, or the latest humanoids from Figure loading a washing machine, and it's easy to believe the robot revolution is here.

Molecules capable of forming the precursors to sugars and amino acids have been detected, for the first time, in the disk of dust and gas whirling around a newborn star.

A strange signal in the background hum created by a merger between two black holes could be the first ever detection of a system of three stellar-mass black holes locked in a gravitational waltz.