Following the much-ballyhooed “planet parade” this winter, the planets have been gradually dipping below the horizon, ...

Satellite images of the Red Planet suggest scientists were wrong about these strange Martian features.

Andy Weir's bestselling story "The Martian" predicts that by 2035 NASA will have landed humans on Mars three times, perfected return-to-Earth flight systems and collaborated with the China National ...

Though little is known about Deimos, another European spacecraft recently captured unprecedented views of the moon's far side ...

Giant, dense structures have been detected deep beneath thesurface of Mars, stirring both curiosity and excitement among ...

Mars may experience global auroras on Monday after a solar flare's charged particles reach its atmosphere — and NASA's ...

Was Mars a friendly planet for water, even life, in its ancient past? Huge channel networks run across its surface. Rocks ...

NASA 's Curiosity rover captured this extremely wide snapshot as it traversed its extraterrestrial stomping grounds in Gale Crater this February. The agency has since converted that data into a ...

Slope streaks once believed to be signs of water on Mars might really be signs of rockfall and high winds, a new study says.