Strange cone-shaped rocks led scientists to the hidden remains of one of Earth’s oldest asteroid impacts. It could help us find fossil life on Mars.

The discovery of more than 15,000 kilometers of ancient riverbeds on Mars suggests that the Red Planet may once have been ...

Ever been late because you misread a clock? Sometimes, the "clocks" geologists use to date events can also be misread.

Why is Mars barren and uninhabitable, while life has always thrived here on our relatively similar planet Earth?

It's possible that Mars' moons were originally asteroids that were captured by the planet's gravitational pull. There's also ...

Mars, often imagined as a lifeless desert battered by radiation and cold, holds within its crust the haunting memory of a ...

New research shows how Mars may have undone its own habitability, while Earth stayed stable enough to support life.

Despite being known as the Red Planet, Mars shows off its swirling yellows, oranges and browns in a new satellite photo from ...

Researchers are developing bioplastic bubbles from algae that could grow, repair, and protect habitats on Mars without ...

NASA’s Mars Reconnaissance Orbiter has learned to pull off daring 120-degree rolls that give its SHARAD radar ...

The spacecraft now almost tips upside down relative to Mars to give its radar the best view. The Mars Reconnaissance Orbiter ...