Katalyst Space's LINK spacecraft is recovering from an unexpected spin in orbit, and will need a little more time to rescue NASA's falling Swift observatory.

For more than a decade, NASA’s Curiosity rover has been trudging up Mount Sharp, a 3-mile-tall (5-kilometer-tall) mountain at the center of the Gale Crater on Mars. Scientists believe lakes and streams covered the foothills of this peak billions of years ago, and Curiosity just found an abundance of evidence to support that hypothesis.