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

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

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

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

NASA has discovered strong evidence for ancient life on Mars, a potentially groundbreaking finding for humanity. In this ...

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 ...

The world’s most advanced deep-space capsule, the Orion, is set to speed astronauts around the Moon, a trek that could ...

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 ...

NASA's Mars Reconnaissance Orbiter spacecraft has just taken its milestone 100,000th photo of the Red Planet using its ...

MAVEN (short for "Mars Atmosphere and Volatile Evolution") has been silent since Dec. 4, despite repeated efforts to hail the spacecraft, NASA announced in an update on Monday (Dec. 15). And a ...

American space agency NASA said the Perseverance rover is good to go on Mars until at least 2031, both hardware and software ...