Solar-powered fuel cell recycles plastic waste and carbon dioxide

Even during cloudless days with clear air, you can see a bright ring around the Sun caused by the scattering of sunlight in the atmosphere. A coronagraph can study the intensity of solar aureole

From Solar Arrays to Spacesuits: Busy Week Aboard the International Space Station

NASA Power Play: Astronauts Finish Installing Roll-Out Solar Array in Record-Tying Spacewalk