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 ...

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 ...

A mystery interstellar object has been identified as the "oldest comet ever seen", according to scientists. The Oxford ...