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.
In light of NASA's recent evidence that liquid water flows on present-day Mars, the release of sci-fi film The Martian could not have come at a better time.
The most interesting thing we wonder about Mars is this: does it house Martians? This week, some highly technical research touted during a NASA press conference has given hope for an answer.
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.