Both inside and outside the solar system, aurorae light up the skies of planets, moons, and a variety of other celestial objects. With their emissions ranging from X-ray to radio wavelengths, aurorae ...

Researchers are reporting progress on the road to more efficient utilization of solar energy: They have developed an innovative light-harvesting system. In order to convert sunlight into electricity ...

Saturn, the sixth planet from the Sun, holds a distinction no other world in our solar system can claim: its average density is lower than that of water. At roughly 0.687 grams per cubic centimeter, ...

On August 25th, 2012, humanity became an interstellar species. There was no fanfare or galactic welcome party as a humble robotic probe, the Voyager 1 spacecraft, crossed an invisible threshold. It ...