The discovery of frost near Mars' equator changed what planetary scientists thought they knew about the Red Planet's climate.

Mars Odyssey orbiter has delivered a stunning new panorama of the Red Planet, revealing the colossal Arsia Mons volcano ...

Mars, the Red Planet, has captivated scientists and space enthusiasts for centuries. Recent missions, such as NASA's ...

A NASA orbiter has captured a stunning image of a giant volcano on Mars. The panorama, captured on May 2 by NASA’s Mars Odyssey orbiter, shows Arsia Mons, one of the largest volcanos on the Red Planet ...

NASA's 2001 Mars Odyssey might have concluded its primary mission more than two decades ago, but it's still racking up ...

Mars Odyssey orbiter has captured a breathtaking new view of the massive volcano Arsia Mons rising through morning ice clouds ...

a volcano on Mars. ESA / TGO / CaSSIS As space agencies look toward sending humans to Mars, discoveries of water are crucial, experts say. “Understanding the present day water cycle on Mars in ...

NASA’s Mars Odyssey captured a stunning sunrise view of Arsia Mons, revealing water-ice clouds and offering insights into ...

The equatorial region of Mars is home to the solar system’s tallest volcanoes, which — in addition to standing as tall as three Mount Everests in some cases — likely hide an unexpected ...

Until recently, scientists assumed that we had already uncovered all of Mars' largest structures. But in March, scientists announced the surprise discovery of an enormous, long-dead volcano ...