The Neil Gehrels Swift Observatory has spent 21 years as astronomy's first responder, swinging toward exploding stars faster ...
Swift has been circling Earth for 21 years. Without a rescue mission assembled in just nine months, it would burn up by ...
A rush rescue mission to save a NASA space telescope remains grounded, this time because of a last-minute launch problem.
NASA's Hubble Space Telescope has captured a spectacular red, white, and blue view of one of the Milky Way's oldest star clusters to celebrate the nation's 250th anniversary. Hidden within the ancient ...
Launched in 2004, Nasa’s Swift Observatory is sinking faster than ever because of recent solar storms.
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