Add Yahoo as a preferred source to see more of our stories on Google. A gif showing a bright yellow star moving toward the right of the screen with a disk of matter around it. A poof of white gas ...

Humanity has marveled at the vivid star Betelgeuse for many millennia. Over two thousand years ago, this imperious red object in the constellation Orion caught the eye of the Roman poet Horace: ...

- Lagoon Nebula (M8) is an emission nebula in Sagittarius.

Tonight is "blue moon Eve" (see the May 31 entry for more details). Late tonight, look toward the southeast to see one of the ...

The stars aren’t fixed and unchanging, unlike what many ancient people thought. Once in a while, a star appears where there wasn’t one before, and then it fades away in a matter of days or weeks. The ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. As autumn nights grow longer, one of the sky’s brightest ...

Any night now, a “new star” or nova will appear in the night sky. While it won’t set the sky ablaze, it’s a special opportunity to see a rare event that’s usually difficult to predict in advance. The ...