Jared Isaacman, a billionaire pioneer of private space travel, was confirmed last month as NASA's 15th administrator.

NASA just postponed a spacewalk because of a medical concern with an astronaut. Here's how the agency has handled such issues ...

Most of the NASA civil servants who participated in last year's second deferred resignation program saw their pay and ...

After a rudderless year and an exodus of around 4,000 employees due to Trump administration cuts, NASA got what may be its ...

Before he found himself a target of the Trump administration as a US senator, Mark Kelly was a NASA astronaut who flew to ...

Scientists say all signs indicate the so-called "megaberg" could be just days or weeks from totally disintegrating.

The early return will mark the first time in NASA’s history that the agency has cut short a crewed mission already in space ...

NASA is postponing a spacewalk due to a "medical concern with a crew member" on the International Space Station. It did not ...

U.S. Sen. Tommy Tuberville objected to a resolution condemning the Jan. 6, 2021 riot at the U.S. Capitol during the ...

NASA would not disclose the name of the astronaut, nor the specific medical condition, citing privacy reasons.

A giant Antarctic iceberg that was twice the size of Rhode Island faces imminent collapse, turning blue with meltwater and ...