Add Yahoo as a preferred source to see more of our stories on Google. A black hole merger produced a behemoth over 225 times the mass of our sun. - Mark Garlick / Science Photo Library / Getty Images ...

I’ve been looking for a new desktop wallpaper for a while, and thanks to the Artemis II astronauts I’ve finally found one.

Astronomers have detected the signal of a colossal black hole in deep space that likely formed when two already-large black holes crashed into each other billions of light-years away. The result is a ...