The intriguing chemistry of a rock collected by the Perseverance rover could trace to microbial activity — or not.

President Donald Trump isn't interested in making a crewed mission to Mars his "number one" priority. As SpaceNews reports, ...

Scientists have identified another possible commonality between Earth and Mars: a solid inner core. Scientists have ...

Mars has a cold desert climate today ... a professor at the University of Science and Technology of China, and one of the corresponding authors of the study, said in an interview. “It has a chemist’s ...