Nearly 4,000 NASA employees have chosen to accept the Trump administration's "deferred resignation" option, reducing the agency's workforce by more than 20%.

Senegal has become the 56th country to sign the Artemis Accords for peaceful space exploration, NASA announced. The accords pledge care in space exploration.

One of these ride-along NASA efforts is the Athena EPIC (Economical Payload Integration Cost) SmallSat, which will demonstrate a new way of more efficiently placing remote-sensing (or rather, Earth-observing) instruments into orbit.

AS NASA moves towards looming budget cuts, the agency still lacks a permanent leader. Here's why the search for administrator is taking so long.

The helicopters will scout the Martian surface to help prepare for a human landing on the Red Planet.

Along with launching two NASA probes, the SpaceX Falcon 9 rocket carried five other satellites into orbit with goals ranging from basic science to technology development.

Planned moon and Mars missions require timely communications and navigation systems, which is prompting NASA officials to request ideas via proposals from U.S. firms.

Two NASA satellites rocketed into orbit from California aboard a SpaceX Falcon 9 rocket Wednesday, commencing a $170 million mission to study a phenomenon of space physics that has eluded researchers since the dawn of the Space Age.

A group of 360 current and former employees penned a letter rebuking "rapid and wasteful changes" across staffing, mission and budgetary cuts at NASA.