US space agency NASA is racing to save an aging telescope, used to observe cosmic explosions, from falling back to Earth with a daring rescue mission.

NASA's daring Swift Boost mission launches June 27 to save the nearly 22-year-old Swift observatory , which is being dragged out of space by Earth's atmosphere.

NASA's Swift Observatory is in peril. A last minute mission to save it could make spaceflight history. Here's everything to know.

And the Hubble Space Telescope could be next

The Swift Observatory, launched in 2004, has been falling back to Earth due to recent higher-than-usual solar activity.