A 54-pound (25-kilogram) rock with an estimated auction price of $2 million to $4 million. Why so expensive? It’s the largest ...

The biggest piece of Mars on Earth is going up for auction The piece of Mars is 54 pounds and the estimated auction price is ...

This Martian meteorite is the largest piece of Mars we have ever found by a long shot,” said Cassandra Hatton, vice chairman ...

NASA spending measures are tucked inside the bill that can best be described as ugly, or at the very least ill-advised.

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

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

New discoveries by NASA's Curiosity Mars rover may not only explain why the Red Planet is a dry, lifeless desert, but that it ...

NASA’s Mars Reconnaissance Orbiter has learned to pull off daring 120-degree rolls that give its SHARAD radar ...

Dark “slope streaks,” likely resulting from dust avalanches, stretch across an area of Mars called Acheron Fossae in this ...