Dozens of never-before-seen species of "extremophile" bacteria were hiding in a NASA clean room used to quarantine a Mars lander before it was successfully launched to the Red Planet more than 17 ...

Talking to planetary scientists can be like walking into a foreign country and not speaking the language. Here's a guide to some of the terms that scientists on the Phoenix mission use: EDL: Entry, ...

The Phoenix Mars lander may begin moving its robotic arm today after a communications glitch with an orbiter delayed work two days into the mission. For most of Tuesday, NASA couldn’t send commands to ...

The plucky Phoenix Mars Lander is continuing to bake a sample of Martian soil while scientists at the UA Lunar and Planetary Lab are still trying to riddle out exactly what sort of strange white stuff ...

MARTIAN LIFE: While NASA's Phoenix lander is not designed to detect living organisms, its sensors are powerful enough to resolve objects the size of living or preserved bacteria - and more than ...