NASA astronaut Chris Cassidy snapped this breathtaking shot of the Galapagos Islands from his current post aboard the International Space Station.

The Perseids are back! This week, you can catch the annual meteor shower, a favorite of many skywatchers, as it peaks thanks to four livestreams.

On Aug. 11, 1960, part of the Discoverer 13 satellite became the first human-made object to be recovered from Earth's orbit. See how it happened in our On This Day in Space video series!