The surface of Mars is extremely cold, irradiated, and desiccated. But at one time, the planet was much warmer and wetter, ...

Visit ancient Mars—a surprisingly temperate planet where snow or rain falls from the sky, and rivers rush down valleys to ...

In those drill sites, Curiosity detected deposits containing an iron carbonate material called siderite. According to Ben ...

A crater on Mars has a bright patch of ice. It's the second time in over a decade that the crater and ice has been observed ...

Mars may have experienced rainfall and river flow billions of years ago, reshaping the Red Planet's surface and supporting a ...

Mars may once have had a relatively warm and wet climate conducive to flowing water, rain and snow, producing a terrain much ...

Some researchers say that ancient Mars wasn't ever warm and wet, but always cold and dry. At the time, the solar system's young sun was only about 75% as bright as it is today. Sprawling ice caps ...

A scientific analysis of samples collected on the surface of Mars shows the red planet has evolved its own version of a carbon cycle. The cycle has helped to create life on Earth, but why not on Mars?

NASA's Mars rover has pictured a mysterious ... The scientists discovered that the amount of sunlight that penetrates the water ice could be enough for photosynthesis to occur in the shallow ...

Mars Express captures images of Acheron Fossae, revealing the Red Planet’s split terrain—ancient cratered highlands and ...

American restaurant chainBJ’s Restaurant & Brewhouse has partnered with Mars to launch the SNICKERS Pizookie. The ...