Below the red section is purplish-brown terrain, which has a high concentration of silicates and a low concentration of iron, ...

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

A rare rock from Mars known as Meteorite NWA 16788 will be up for auction at Sotheby's on July 16. The meteorite may sell for ...

The thick, mineral-rich layers of clay found on Mars suggest that the Red Planet harbored potentially life-hosting ...

In a new study published in the journal Nature Astronomy, scientists say mineral-rich layers of clay on Mars were once ideal ...

One of the great unsolved problems in modern planetary science is written on the surface of Mars. Mars has canyons that were ...

The second half of the 19th century was a particularly interesting time to imagine Mars. This was a period during which the ...

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

A lab experiment that simulated Mars conditions showed that green algae can grow in plastic containers made from the same ...

The new images by the Curiosity rover on Mars show "dramatic evidence" of ancient groundwater in crisscrossing low ridges, ...

A meteorite that is the largest known piece of Mars on Earth is expected to fetch up to $4 million when it goes up for ...

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