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 ...

NASA's Curiosity rover has photographed extraordinary spiderweb-like formations on Mars that scientists believe could hold the key to ancient life on Mars ...

The planet Mars is the most thoroughly surveyed celestial body aside from Earth itself. Generations of space probes and rovers like Curiosity have collected images and material samples of the red ...

Astrobiologists warn that NASA's current instruments may miss subtle signs of alien life, risking 'false negatives' in the ...