The rollout on Saturday, Jan. 17, of the Space Launch System (SLS) rocket is a crucial step signaling that NASA is in the final stretches to get its first crewed lunar mission in five decades off the ground. That mission, known as Artemis 2, will send three Americans and one Canadian on a 10-day trip around the moon.

Live updates from SpaceX’s Tuesday night GPS III-9 mission that launched a Falcon 9 rocket from Cape Canaveral Space Force Station in Florida.

SpaceX will launch an advanced, jam-resistant GPS satellite for the U.S. Space Force from Florida on Tuesday night (Jan. 27), and you can watch the action live.

SpaceX plans to launch a batch of its Starlink commercial satellites from Vandenberg on Groundhog Day. Here's how to watch liftoff in California.

The Pentagon for decades has treated launch as the central logistical problem of military space. Once a satellite reaches orbit, it is expected to operate with the fuel it carries from Earth until it fails or runs dry.

Live updates from SpaceX’s Friday morning Starlink 6-101 mission that launched a Falcon 9 rocket from Cape Canaveral Space Force Station in Florida.