For the first time, NASA Chandra X-ray telescope has been used to discover a pair of black holes in dwarf galaxies that are on a collision course. The Chandra team explains. Credit: NASA/CXC/A. Hobart ...

Astronomers have made a groundbreaking discovery of two pairs of supermassive black holes poised to merge, marking a ...

La., called Haiti the “nastiest country in the western hemisphere” in a post on social media Wednesday, saying migrants from ...

Eat your greens. It's something we've all heard since childhood, but there's good reason why we should listen.