Data from the Mars Express orbiter has been used to create a visualization of "a vast system of deep and steep valleys that ...

"I'll always remember the first time I saw those iridescent clouds and was sure at first it was some color artifact." ...

As the ESA explained, the images comprised of data gathered Feb. 27 by the Mars Express orbiter show clustered dots that ...

Incredibly powerful marsquakes that violently shake the red planet don't always begin under the surface, research shows.

A massive meteor strike on Mars sent shockwaves across the planet, revealing that some of its tremors weren’t tectonic but ...

Social media users are swooning over images of heart shapes found on Mars. The series of pictures were captured from the Mars ...

Mars Express orbiter. The map cataloged a remarkable variety of cloud patterns occurring on Mars, including some unlike anything seen on Earth. "Clouds on Mars are just as diverse and fascinating ...