It sounds like something straight out of a big-budget sci-fi film, but the idea of diamonds falling from the sky […] ...

Planets that once lived only in pulp novels and movie concept art are now turning up in real data. Astronomers are not just ...

These survival games are the best to come back to and explore to your heart's content solo or with friends time and time again.

Interstellar comet 3I/ATLAS is now barreling away from the sun, never to return to the solar system. There's one more chance ...