NASA’s Curiosity rover captured stunning images of Martian twilight clouds, revealing iridescent dry ice formations on Mars.

"I'll always remember the first time I saw those iridescent clouds and was sure at first it was some color artifact." ...

"It's been such a puzzle that there was liquid water on Mars, because Mars is further from the sun, and also, the sun was fainter early on." ...

NASA researchers have identified geological structures on Mars that are unlike anything found on Earth. From spider-like ...

If you buy through a BGR link, we may earn an affiliate commission, helping support our expert product labs. A new study says that ancient microbes could have been responsible for Mars’s climate ...

Harvard scientists studying the mystery of water and life on ancient Mars believe they may have finally found a solution.

A new paper released today documents the first soil, airfall dust, and rock fragment samples collected by NASA for return ...

Mars haunts us as a vision of a planet gone wrong. It was once warm and wet, with rivers flowing across its surface and (potentially) simple life residing in its water bodies. Now it’s dry and ...

Mars' dramatic north-south divide has puzzled scientists for half a century. However, they may now have a conclusive answer.

Mars's atmosphere and climate are impacted by interactions with solar wind, a stream of plasma comprised of protons and electrons that flows from the sun's outermost atmosphere (corona), traveling ...