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.

Scientists thought this crater in Australia was the world’s oldest – but an independent analysis shows they might be off by ...

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

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

For decades, scientists have theorized about how Mars reached its current state. Many believe that the Red Planet's surface ...

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

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

Researchers show algae can grow in Mars-like atmospheric pressure conditions. If humans are ever to establish permanent ...

NASA's beleaguered Mars Sample Return mission may get a reprieve from an unexpected source. Lockheed Martin has proposed a ...

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

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

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