The sun shines down on Hurricane Maria in this photo taken by NASA astronaut Randy Bresnik at the International Space Station. Beneath the mammoth storm, it was anything but sunny, as Puerto Rico got pummeled by dangerous winds, heavy rain and floods.
The Arecibo Observatory is an icon of astronomy. The giant radio telescope in Puerto Rico is the second-largest of its kind on Earth. See photos of Arecibo over the years in our gallery here.