Astronomers recently received photographic evidence of movement on the surface of Mars. Here's how they got it.

Scientists have long known that ancient rivers carved channels across Mars, but the exact pathway of water between the ...

Sterilizing robotic spacecraft to prevent contamination is one thing, but sterilizing human beings is impossible. We are ...

NASA’s Curiosity rover has encountered an intricate network of web-like rock formations in the Gale Crater region of Mars, a ...

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

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

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

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.

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

Mars doesn't have an organized planetary magnetic field like Earth, so auroras can appear anywhere in the sky. Now there's a ...