Spurred by competition from China and Russia, the Trump administration is pushing for nuclear power on the moon by 2030 ...

The Polaris Dawn crew Jared Isaacman, Scott "Kidd" Poteet, Sarah Gillis and Anna Menon explain the experiments conducted during the mission. Also, see a time-lapse of Isaacman's spacewalk. Credit ...

The Polaris Dawn mission, a commercial spaceflight backed by American billionaire Jared Isaacman that will attempt the first private spacewalk, is currently scheduled to launch on Tuesday, Aug. 27 ...

Jared Isaacman's nomination for NASA administrator was withdrawn due to loyalty concerns. Sean Duffy, current Department of Transportation head, is serving as interim NASA administrator.

Trump withdrew the nomination of Jared Isaacman as NASA administrator partly over alleged personal ties with his fellow billionaire. Questions remain.

Trump withdrew the nomination of Jared Isaacman as NASA administrator partly over alleged personal ties with his fellow billionaire. Questions remain.