A record-breaking gravitational wave signal let scientists "listen" to a distant black hole merger and put Einstein's gravity to its toughest test yet.

Add Yahoo as a preferred source to see more of our stories on Google. Illustration of two black holes orbiting each other. (Mark Garlick/Science Photo Library/Getty Images) Initially, scientists ...

The discovery of gravitational waves in 2015 marked a turning point in our understanding of the universe. But detecting these faint signals was only the beginning. The real challenge lies in ...

Global climate models capture many of the processes that shape Earth's weather and climate. Based on physics, chemistry, ...

The Laser Interferometer Gravitational-Wave Observatory, or LIGO, has already won its researchers a Nobel Prize — and now artificial intelligence is poised to take LIGO’s search for cosmic collisions ...