Earlier this month, astronomers were thrilled after spotting an interstellar object — only the third of its kind ever ...

The largest piece of Mars ever found on Earth was sold for just over $5 million at an auction of rare geological and ...

An astrophysicist has torn Elon Musk’s dream of terraforming Mars to shreds, saying that it is “stupidest thing” anyone can ...

Scientists thought this crater in Australia was the world’s oldest — but an independent analysis shows they might be off by ...