Add Yahoo as a preferred source to see more of our stories on Google. An artist's illustration of what a terraformed Martian landscape might look like. Mark Stevenson/Stocktrek Images via Getty Images ...

A manganese ring shows Mars' Utopia Planitia once held a stable ocean for around one million years, long enough for life to ...

Mars holds a special place in the solar system. It represents marginal habitability. This means it transitioned from warm and ...

A new study suggests Mars could help scientists understand how alien worlds evolve by showing how a once warmer, wetter ...

Scientists have broadly agreed for years that the thousands of small cone-shaped mounds peppering Mars’ northern lowlands are ...

Mars is usually a safe 225 million kilometers away from Earth, but what if the red planet went off course and headed straight toward us? This nightmare scenario would cause devastation long before the ...

The largest piece of Mars ever found on Earth was sold for just over $5 million at an auction of rare geological and archaeological objects in New York on Wednesday, while a juvenile dinosaur skeleton ...