The rover's 26th sample, known as "Silver Mountain," has textures "unlike anything we've seen before," NASA says.

Scientists confirm the existence of liquid water on Mars, altering our understanding of the Red Planet. Evidence of wave ...

A new paper released today documents the first soil, airfall dust, and rock fragment samples collected by NASA for return ...

NASA's Rover found ripples in Martian rock that resemble the wave patterns on a sandy lake bed on Earth. The ripples could ...

The northern plains of Mars, marked by thousands of mounds and hills, hold significant evidence of the planet's watery past.

"It's been such a puzzle that there was liquid water on Mars, because Mars is further from the sun, and also, the sun was ...

The study of ancient lava formations on Mars is the most complete to date from a series of observations conducted on the ...

The findings are the result of the ongoing studies performed by NASA’s Curiosity rover, which has been scouring the red planet since landing in 2012. The latest breakthrough came as scientists were ...

A NASA satellite has spotted frozen "kidney beans" on Mars' sand dunes trapped in place until springtime. Photographing them can help us determine if there was ever enough water on Mars to sustain ...

Harvard scientists explain how Mars had warm spells billions of years ago, allowing rivers and lakes to exist.

Images of Mars taken from orbit show thousands of mounds in a region sculpted by water billions of years ago. A robotic ...