'No one thought it was going to be possible.' A space telescope is falling out of space. This is NASA's daring plan to save it.

or over 20 years, NASA's Swift space observatory has been conducting prolific science in orbit, hunting for signs of gamma-ray bursts — the most powerful explosions in the universe. Now, it's falling to Earth, doomed to a fiery death by the end of the year as its orbit decays. But maybe not... More

(Source: Space.com - Jun 21)