A photo of one of NASA’s returned astronauts has sparked concerns as the pair face weeks of rehabilitation after their week-long mission turned into a staggering 286-day space stay.

After nine months in space, Suni Williams and Butch Wilmore splashed back down the earth. Their bodies and minds may never catch up.

A senior official at Elon Musk’s Department of Government Efficiency is taking a leadership role at the U.S. Agency for ...