Dozens of never-before-seen species of "extremophile" bacteria were hiding in a NASA clean room used to quarantine a Mars lander before it was successfully launched to the Red Planet more than 17 ...

New discoveries by NASA's Curiosity Mars rover may not only explain why the Red Planet is a dry, lifeless desert, but that it ...

Astronauts on an upcoming crewed mission to the red planet are unlikely to find little green men, but there is compelling evidence to suggest that they may find other forms of life. If living ...

Life on Mars may have been found -- before it was accidentally destroyed during a prior NASA mission, one scientist has suggested. In 1975, just six years after Apollo 11 touched down on the moon ...

One of the great unsolved problems in modern planetary science is written on the surface of Mars. Mars has canyons that were ...

A new NASA-led study suggests that photosynthetic microbes could thrive in hidden bubbles of meltwater below patches of ice on Mars. This could be one of the easiest places to search for ...

NASA's Perseverance rover is digging deeper into Mars' geologic past as it begins grinding into rock surfaces to expose ...

Similarly, a separate study shows that NASA’s clean room—used for the Phoenix Mars lander mission—also contained 26 novel bacteria species.

After a year of exploring a Martian valley, NASA's Curiosity rover is driving to a new location to explore an unusual "boxwork" formation, where microbes could have existed.

NASA's Curiosity rover finds strange rock formations on Mars. These look like spiderwebs. The rover spots these on Mount Sharp. Scientists think these ...