Scientists edge closer to answering Mars’ biggest question: Did life ever exist on the red planet? Here's the latest from two new finds.

Mars once had sprawling river systems that rivaled major watersheds on Earth, and scientists have now identified the biggest ones for the first time. Researchers mapped 16 massive drainage basins ...

Visit ancient Mars—a surprisingly temperate planet where snow or rain falls from the sky, and rivers rush down valleys to feed hundreds of lakes. A new study from geologists at the University of ...

Mars is the fourth planet from the sun and has a distinct rusty red appearance and two unusual moons. The Red Planet is a ...

For more than a century, astronomers debated the possibility of martian canali (channels) which Italian astronomer Giovanni Schiaparelli claimed to see on the Red Planet in 1877. Mistranslated into ...

What can sand ripples on Mars teach scientists about weather patterns on ancient Mars? This is what a recent study published in Geology hopes to address as a team of scientists investigated how ...

We're getting closer and closer to definitely answering the question: Did life ever exist on Mars? April has been a pivotal month for the search for ancient life on the now-barren red planet, where ...

Geologists weigh in on a long-running debate about Mars: Billions of years ago, was the Red Planet warm and wet or cold and dry? Visit ancient Mars -- a surprisingly temperate planet where snow or ...