Chinese scientists have identified eight potential karst caves on Mars, formed by water, marking a significant breakthrough in astrobiology.

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

Just north of the Martian equator lies a 45 km (28 mi) wide impact crater that scientists believe may have been the site of an ancient lake. Here at Jezero Crater, scientists theorize that its frozen ...

Until now, scientists believed that Mars’ skylights – pits in the surface of mars – were formed by volcanic activity. But ...

Tantalising signs of past microbial life showed up on Mars this year, but to truly know whether they contain the answer to ...

The best reason to send humans to Mars isn’t for guts or glory—or the construction of colonies to safeguard against existential Earth-bound risks. Instead it’s to answer a single, simple question: Is ...

The goal should be a new golden rule linking the search for life elsewhere to the spread of life beyond the bounds of Earth.

The first astronauts who walk on Mars are now being told to go as planetary detectives, not just pathfinders. A sweeping new scientific blueprint argues that the central task of those early crews ...

Image number 100,000, which was captured on Oct. 7, "shows mesas and dunes within Syrtis Major, a region about 50 miles (80 kilometers) southeast of Jezero Crater, which NASA's Perseverance rover is ...

If nonliving materials can produce rich, organized mixtures of organic molecules, then the traditional signs we use to ...

The potential for sending payloads and people to Mars is therefore becoming plausible in a way that it never has before. Mars ...