Astronauts Butch Wilmore and Suni Williams are conducting a spacewalk outside the International Space Station to swab the orbiting lab for evidence of microorganisms.

Elon Musk says Donald Trump has asked SpaceX to rescue two astronauts who have been in space for more than seven months — even though NASA has said there's a plan in place.

The founder of SpaceX said President Trump had asked his company to return two astronauts aboard the space station to Earth “as soon as possible.” NASA said it would do that “as soon as practical.”