Add Yahoo as a preferred source to see more of our stories on Google. Astronomers confirmed SDSS J0715-7334 as the most metal-poor star ever found, a survivor of the universe's second stellar ...

Astronomers have made a historic discovery by directly detecting cosmic rays deep inside a dense, starless molecular cloud. This breakthrough provides an invaluable look at the invisible particles ...

A dim red giant just out of reach of the Milky Way is providing astronomers with an incredibly rare glimpse into the earliest days of our universe, at a time when it was not possible for a telescope ...