NASA

NASA astronauts Jessica Meir and Christina Koch resumed efforts Jan. 15 to replace aging batteries on the International Space Station.

“I would put us in the red-risk for being ready at the national level for sample analysis of the Osiris-Rex materials,” the mission's principal investigator says.

"These astronauts could one day in fact walk on the Moon as part of the Artemis program," NASA Administrator Jim Bridenstine said.

The core booster for NASA’s first Space Launch System heavy rocket has been rolled out from its hangar in New Orleans.

NASA could be a year away from having a cost estimate for accelerating its lunar plans.

U.S. House and Senate appropriations committees have agreed on a 2020 fiscal year budget package that includes $22.6 billion for NASA.

NASA’s X-59 Quiet SuperSonic Technology research aircraft remains on track to make its first flight in 2021.

A NASA-led group is addressing the threat posed by space junk to a growing, more diverse space economy.