SKYWATCH: The night sky in spring and fall are devoid of bright stars, with a notable exception, the bluish-white Fomalhaut.

The enormous outburst was likely caused by an unfortunate star venturing too close to a supermassive black hole ...

These hot August nights can be great for stargazing. Here’s a look at what’s going on above us right now and later in the month. The expression “dog days” refers to the period from July 3 through Aug.

The writer Tristan Gooley describes how a pair of familiar constellations can help a person navigate in darkness when other methods fail. The writer Tristan Gooley describes how a pair of familiar ...

The Pleiades, or "Seven Sisters," is a bright, bluish star cluster located near the constellation Taurus, visible to the naked eye as a tight, hazy grouping in the night sky. With daylight savings ...

A strange flash of light from near the beginning of the universe could help astronomers map difficult-to-see gas in between galaxies, like a flashbulb in a dark room. Fast radio bursts (FRBs) are ...

A star brightly 'self-detonating' has been captured by NASA's Hubble Telescope and a time-lapse video shows what happens over the course of a year as it eventually fades into nothing. In Galaxy NG2525 ...