Commentary. I was fortunate to be near a television earlier this month to watch in real time as the NASA astronauts who more ...

For all his faults, Elon Musk sure knows how to keep things interesting. Yesterday, skies around the world lit up with what seems to be returning debris courtesy of Musk's company, SpaceX.

Toxic dust on Mars would make a future mission to the red planet extremely hazardous for astronauts and require significant countermeasures, new research suggests.

If you've never witnessed the awesome natural spectacle that is the Northern Lights, tonight you may finally get your chance.