Dark “slope streaks,” likely resulting from dust avalanches, stretch across an area of Mars called Acheron Fossae in this ...

Imagine you've just gotten to Mars as part of the first contingent of settlers. Your first challenge: build a long-term ...

A new study posits that dark streaks originally believed to be signs of water on Mars' surface might not be that at all.

Releasing glitter-sized iron rods into Mars’s atmosphere could warm the planet enough to melt water and support microbial life. Making the surface of the Red Planet suitable for Earth life, a ...

While Mars is still undoubtedly the Red Planet, this new finding changes our understanding of why it is red. “The major implication is that because ferrihydrite could only have formed when water ...

Observing Mars with probes If you look closely at pictures of Mars taken by rovers on its surface, you can see that most of the planet isn’t purely red, but more of a rusty brown or tan color.

From its perch on the western wall of Mars’ Jezero Crater, NASA’s Perseverance rover spied Phobos as the “googly eye” peering down from space.

If you've ever looked at Mars through a telescope, you probably noticed its two polar ice caps. The northern one is made largely of water ice—the most obvious sign that Mars was once a wetter ...

NASA’s Mars Orbiter is rolling 120° to help see beneath the surface - and it’s revealing clearer signs of ice, rock, and ...

On the surface, raw water might seem alluring – the natural surroundings may look beautiful, and the water may look clean and taste refreshing. But unlike tap or commercially bottled water, raw ...

Algae grown under Mars-like conditions could make bioplastic building materials for structures to harbor life in space.