NASA activated Curiosity's second 'brain' after it misbehaved
Maybe it just wants a rest?
Deep space travel could destroy astronauts' guts
We still have huge hurdles to overcome before we can travel to other planets.
SpaceX gives us a glimpse of its Mars base vision
It shows BFR's new design, as well.
Mars trips may involve less radiation exposure than previously thought
Astronauts might 'just' face 60 percent of their career radiation dose.
SpaceX reveals identity of the world's first lunar space tourist
The Zozotown fashion founder will take a jaunt to the dark side of the moon.
NASA's public CO2 challenge could help astronauts endure on Mars
It could also help here on Earth.
Mars Opportunity rover will have 45 days to phone home
The countdown begins once the current storm clears.
NASA contest finalists show off their Mars habitat models
They'll now have to build a one-third-scale version of their designs.
Scientists may have found liquid water on Mars
There could be a buried lake underneath the Martian polar ice cap.