Astronomers find hundreds of hidden black holes and there may be billions or even trillions more Livesciencecom

Artificial intelligence trained by asteroid-hunting citizen scientists helped identify more than 1,000 never-before-seen solar system objects from old Hubble images spanning two decades.

NASA's Perseverance rover on Mars has discovered unusual "float" rocks on the rim of Jezero Crater while searching for signs of ancient microbial life. Scientists are investigating their origin.

A new water loss mechanism on Venus explains how the planet lost all its water, turning the planet from a potentially habitable world into the parched hellscape we know today.