Well, it's July 12, which means (a) the Steam Summer Sale is over and (b) it's really hot outside in the northeastern U.S.

A mysterious object, first observed hurtling across the solar system on July 1, has now been identified as "very likely to be ...

A newly discovered ice comet from deep space may be over 7 billion years old, making it the most ancient comet scientists ...

Take a journey through the Milky Way galaxy, exploring the wonders of our solar system and the distant stars that illuminate the night sky. The Milky Way is home to over 100 billion stars, each with ...

There are only a few hours left of Amazon Prime Day, but the deals aren't over just yet. We're rounding up what is still left ...