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

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

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 ...

Blue sunsets, whirling dust devils, giant volcanoes, tiny moons, and marsquakes—there’s a lot to discover on Mars!

Engineers are developing a concept for exploring one of Mars’ least accessible environments: its underground tunnel systems. Their proposal combines a rolling robot inspired by a pillbug with ...

Scientists believe that future human settlements on Mars may rely on metals extracted from asteroids for construction.

From Australia's remote deserts to the surface of Mars, geological mapping underpins how we understand landscapes, natural ...

At half the size of Earth and one-tenth its mass, Mars is a featherweight as far as planets go. Yet new research reveals the extent to which Mars is quietly tugging on Earth's orbit and shaping the ...

For anyone curious about what it's like to stand on another planet, Earth offers a few convincing previews. Mars may be 140 million miles away, but scientists and movie directors have been finding its ...

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. But a rare young dinosaur skeleton ...

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 ...

Earth–Venus–Mars opportunity looks promising. 10–15 on-orbit refueling operations may be needed to make a crewed ship full.