Fixing the Space Launch System rocket's helium pressurization problem has pushed the Artemis II launch to at least April 1.

NASA moved its grounded Artemis moon rocket from the launch pad back to its hangar Wednesday for more repairs.

NASA's Space Launch System rocket is about to depart the launch pad in Florida where it has been vertical for more than a ...

Rocket Lab scrubbed the planned Feb. 25 launch of its HASTE suborbital rocket, which will send a scramjet-powered hypersonic vehicle up for the U.S. military. No new target date has been announced.

Rocket Lab will launch a scramjet-powered hypersonic vehicle for the U.S. military today (Feb. 25), and you can watch the liftoff live.

Fixing the Space Launch System rocket's helium pressurization problem has pushed the Artemis II launch to at least April 1.

NASA is sending the Artemis II rocket back from Kennedy Space Center’s Launch Pad 39-B to the Vehicle Assembly Building to fix a problem in the rocket’s upper stage.

NASA is moving its grounded Artemis moon rocket from the launch pad back to its hangar for more repairs. The 4-mile-long slow-motion trek began Wednesday morning at Florida's Kennedy Space ...

KENNEDY SPACE CENTER — More than 1,000 people came out to see NASA roll out its Artemis II Space Launch System (SLS) rocket as it made its slow march to the launch pad during the chilly early morning ...