Space.com on MSN
Bill Nelson steps down as NASA chief as Trump begins 2nd term
Bill Nelson has stepped down as NASA administrator, ending a half-century of public service. Janet Petro is now the agency's ...
We preselected all newsletters you had before unsubscribing.
Space.com on MSNOpinion
Winning the Red Planet race: Returning Mars samples before China should be a top US priority, experts say
"The Chinese may well beat the U.S. with a grab sample." ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback