The Swift Observatory's impending demise comes about three months after NASA and its commercial partners attempted to mount a failed rescue mission to extend the telescope's life. The operation ...

NASA's Swift Observatory may make a fiery return to Earth around Friday after more than two decades studying gamma-ray bursts ...

Any surviving wreckage will most likely plunge into the ocean. But swaths of Africa, Australia, India, Southeast Asia, and ...

A nearly 3,000-pound NASA space telescope that has spent more than two decades studying some of the universe's most powerful ...

Large portions of Africa, Australia, India, Southeast Asia, and Central and South America fall within the reentry zone and ...

Voyager 1 is nearing one light-day away from Earth, when radio signals will take 24 hours to travel between Earth and the spacecraft.

After a rescue mission failed to save NASA’s Neil Gehrels Swift Observatory, the doomed spacecraft is due to plummet back to Earth in a blaze of fire this week. Most of Swift should burn up in the ...

NASA's Swift Observatory is expected to crash back down to Earth this week, following a failed mission to rescue the aging telescope.

The Neil Gehrels Swift Observatory — formerly known as the Swift Gamma-Ray Burst Explorer — is in its final days. The space ...

NASA’s Swift observatory spent 21 years chasing the biggest explosions in the universe.