Lockheed Martin has unveiled a new proposal to take over NASA's beleaguered Mars Sample Return mission for less than half the current cost while achieving key science goals.
The spacecraft now almost tips upside down relative to Mars to give its radar the best view.
Surprising colors and stunning features are captured in a new image of Mars' surface.
Mineral-rich layers of clay suggest that ancient life could be possible on the Red Planet
Our Red Planet explorers may encounter a peculiar threat.
Parisian astronomer Camille Flammarion brought used science fiction to bring Mars to life
"Returning the scientifically selected samples that await us on Mars, as part of a balanced portfolio, will help to ensure the US does not cede leadership in deep space to other nations, such as China."
For centuries Mars has been called "the Red Planet" and there's a scientific reason why.
NASA's 2001 Mars Odyssey orbiter captures one of the Red Planet's biggest volcanoes peeking over clouds at dawn.
The Mars Express probe captured a striking new view of a Martian crater that holds clues to the planet's dynamic history spanning billions of years.
