NASA astrobiologist Chris McKay travels the most remote parts of Earth to understand how life might survive on other planets. But he’s also investigating another potential life form in space: humans. Can humans become a multi-planet species, he asks. Can…

Dec 03

Photos: NASA prepares Orion to send humans to Mars

It will take a big rocket to get to Mars, and a big space capsule to protect humans during the months-long journey. It also takes decades of testing and development to plan a mission that will take humans…

Oct 28

Unmanned rocket bound for ISS explodes on takeoff

An unmanned commercial rocket carrying supplies for the International Space Station exploded shortly after lift-off at 6:22 pm EDT Tuesday over the launch complex at Wallops Island, Virginia. NASA’s live feed shows the rocket bursting into flame.

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