The Inouye Solar Telescope has captured the highest-resolution images of the sun's surface yet. They show instabilities that may help explain the hot surface.
The light our eyes can detect is only a sliver of the light out there. The electromagnetic spectrum describes all the wavelengths of light, seen and unseen.
Are you hoping to get some great pics of the August 12 total solar eclipse? Here are 5 tips from NASA to help you capture some memories of this precious event.
Jimothy the raccoon has an inspiring story, showcasing how an animal can adapt - especially with the help of his mother - to overcome extraordinary challenges.
A recent image appears to show the faint companion for Betelgeuse. It's the strongest evidence yet that the beloved red supergiant star has a companion star.
Members of the EarthSky community - including scientists, as well as science and nature writers from across the globe - weigh in on what's important to them.