The find shines light on how galaxies begin to turn gas and dust "into stars and planets," said astrophysicist Blakesley ...

Spanning approximately 220,000 light-years across, the Andromeda Galaxy is the largest galaxy of the Local Group, which also ...

April 21 - 28 is International Dark Sky Week, a global celebration of the night sky during which like-minded organizations ...

Active since last week, the shower is formed from a comet’s debris and is forecast to produce the most fireballs overnight.

The Lyrid meteor shower is about to reach its peak activity for April. Here's when and how to see it, along with a cloud forecast.

The moon dims, the meteors fly, and the planets dance—these are the most exciting celestial events happening this month.

The remnant will appear within the constellation Andromeda in the northeastern sky a couple of hours or so before sunrise, Zang said. Then, the dust cloud will reappear in the night sky toward the end ...

The northern lights were visible farther south than normal Tuesday, April 15, and they'll be visible again for some residents ...

The meteor shower is caused by dust particles from comet C/1861 G1 (Thatcher). It's expected to produce up to 15 meteors per ...