Long thought of as a dry, barren world, Mars may once have shimmered with shades of blue. A new study reveals the discovery ...

Using images from cameras on Mars orbiters, an international research team has discovered structures on Mars that are very ...

Led by the University of Bern, the study involved investing Valles Marineris, the largest canyon system on Mars.

Mars has an active, electrically charged surface where dust storms and spinning dust devils regularly move and reshape the ...

A study by scientists at Penn State and NASA shows that intact biomolecules from dormant microbes break down much more slowly ...

New research suggests Mars was once a blue planet, as scientists identify river deltas and signs of a vast ancient ocean on ...

The first thing most people think of when they consider Mars is its deep red color. The Romans associated the planet with their god of war because it reminded them of blood while the Egyptians called ...

Researchers discovered Mars subtly affects Earth’s orbit and axial tilt. These small changes help trigger ice ages and ...

New MarsDaily research explains how thin seasonal ice could have allowed ancient Martian lakes to remain liquid for decades, despite a cold early Mars climate ...

Visit Mars as it might have looked billions of years ago. Not frozen and dry, but wet, warm, and alive with flowing water. Across vast highlands near the Martian equator, deep river-like valleys snake ...

Most planetary scientists agree that Mars’ extreme conditions would be uninhabitable to life as we know it. New research, however, suggests that we might be underestimating the hardiness of lichens.