Sotheby's is putting some rare items up for auction, including what it calls the largest piece of Mars ever found on Earth.

The auction house Sotheby’s has offered a new way to get a piece of Mars without entrusting your life to Elon Musk, who has pledged to send people to Mars by 2029: Buying a piece of it instead. A ...

One of the best shooting star displays of the year is coming to a sky near you. The annual Perseid meteor shower is visible across most of the U.S. from mid-July to late August. This year, the meteor ...