New University of Arkansas research adds weight to the suggestion of a long-lived ocean covering Mars’s northern hemisphere.

Recent scientific discoveries indicate that the planet Mars might be more than just a barren wasteland. Its extensive network of caves could harbor life, providing the right conditions for it to ...

Life on Mars sounds like something from a "Doctor Who" episode. But a study published in the International Journal of Astrobiology challenges the science fiction notion of that idea. The research ...

NASA scientists have uncovered massive fragments of ancient planetary collisions buried deep within Mars’ mantle, shedding light on the planet’s tumultuous early history. Preserved for over four ...