After an arduous ascent to the rim of Mars' Jezero Crater, NASA's Perseverance rover is doing a little sightseeing. The most recent stop on its Red Planet road trip? A roughly 656-foot-long (200 ...

For nearly half a century, NASA has been talking an awfully good game about its much-heralded Mars Sample Return (MSR) project. As long ago as 1978, the space agency requested funding to develop a ...

"The idea was for our payload to get us just up to the potential biosignature designation and have the rest of the story told by instruments here on Earth." A potentially huge discovery by NASA's ...