Asteroid as big as Empire State Building is on its way ...

CAPE CANAVERAL, Fla. — A three-armed spacecraft rocketed into orbit Friday to rescue a NASA telescope that’s in danger of ...

A first-of-its-kind mission launched Friday in the hopes of preventing NASA’s Swift Observatory from dropping out of low-Earth orbit.

The Swift Observatory is slated to enter Earth's atmosphere later this year, but the Katalyst Space spacecraft aims to boost ...

NASA officials and partners are trying to make history by repositioning the Swift telescope, which is actively sinking into Earth's atmosphere, and they plan to launch as early as Tuesday.

CAPE CANAVERAL — NASA is racing to save an aging telescope from falling back to Earth with a daring rescue mission. The $30 ...

NASA plans to mount a daring mission to stave off the destruction of the Swift Observatory, which has been falling back to ...

Both DAPHNE satellites will be equipped with three remote-sensing instruments that will provide coordinated, multi-point ...

A submarine eruption north of Papua New Guinea may be building new land while satellites track its evolution from above.

Swift has been circling Earth for 21 years. Without a rescue mission assembled in just nine months, it would burn up by ...