A 54-pound (25-kilogram) rock. Estimated auction price: $2 million to $4 million. Why so expensive? It's the largest piece of ...

A new map shows hidden Martian rivers stretching thousands of miles, offering fresh evidence of a warm, wet ancient Mars.

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 ...

The model Kite’s team built was unique in that it captured evolution of the Martian landscape and climate over an extremely ...

The meteorite weighs over 25 kg and is 15 inches wide and is about 70 per cent bigger than any other piece of Mars ever found on Earth.