A multi-billion-dollar robot dispatched to Mars to search for life must steer clear of promising "hot spots" for fear of spreading microbes from Earth, NASA project scientists said Thursday.
The search for extra-terrestrial life just got a big boost from NASA's stunning announcement that it now has its strongest evidence yet of liquid water on Mars.
We've known for a long time that there's water on Mars. Now we know – thanks to NASA's latest announcement – that some of it is at the surface.
Scientists from the European Space Agency's Rosetta mission are honoring their deceased colleague, Claudia Alexander of NASA's Jet Propulsion Laboratory in Pasadena, California, by naming a feature after her on the mission's ...