Mars is the fourth planet from the sun and has a distinct rusty red appearance and two unusual moons. The Red Planet is a ...

Add Yahoo as a preferred source to see more of our stories on Google. Mars, our neighboring red planet, possesses some of the most extreme topographical features within our solar system. Its colossal ...

Gravity map of Mars. The red circles show prominent volcanoes on Mars and the black circles show impact crates with a diameter larger than a few 100 km. A gravity high signal is located in the ...

Geologic features at the Opportunity landing site on Mars were formed not by a lake that evaporated but by constant strikes from meteorites, say two Arizona State University geologists. The site where ...

TEMPE, Ariz. ­ A new planet-spanning Web site, Google Mars (mars.google.com) launches today on what would have been Mars astronomer Percival Lowell’s 151st birthday. At the heart of the new Web site ...

Mars is a marvel that can be visible to the naked eye to us humans on Earth but there has still long been an ancient mystery surrounding it. Why is Mars red? But now a new study may have finally ...

Though it's a cold, dead planet, Mars still has its own natural beauty about it. This image shows us something we'll never ...

New images from the European Space Agency's Trace Gas Orbiter reveal Mars' atmosphere to have delicate layers of dust and ice, offering insights into the planet's evolution. "The fact that we captured ...