NASA said it would begin to roll the Artemis II rocket and spacecraft out to the launch pad at Florida's Kennedy Space Center as early as next week, and that everything is "on track" for an April launch.

Although NASA managed to plug the hydrogen fuel leaks at the pad in February, a helium-flow issue forced the space agency to return the rocket to the Vehicle Assembly Building for repairs, bumping the...

A 1,300-pound NASA probe re-entered Earth's atmosphere on Wednesday, nearly 14 years after it was launched.

An old NASA science satellite plunged uncontrolled from orbit and reentered over the Pacific on Wednesday.

Early analyses predict the 1,323-pound (600-kilogram) vehicle will strike the atmosphere around 7:45 p.m. ET Tuesday, “with an uncertainty of +/- 24 hours,” according to NASA and the US Space Force.