Although sunscreen does help protect our skin from the sun's harmful UV rays, it isn't designed to keep that skin cool. An experimental new sunscreen does that very thing, however, while maintaining ...
NASA's Parker Solar Probe will get closer to the sun than ever before. Astrophysicist Nour Rawafi explains how this mission could help solve the sun's most perplexing mysteries.
Now that we’ve found more dark comets, we’ve noticed that they come in two flavors. Outer dark comets are larger – about a mile wide in size – and on more elliptical orbits farther out in the solar ...