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

Have you ever been part of a large group project? You might assume that with more people involved, the work gets done better and faster.

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.

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.