“Coronal rain” — seen here with the Goode Solar Telescope at Big Bear Solar Observatory — occurs when hot plasma in the sun's corona cools and becomes denser. It is pulled toward the surface by gravity. (Credit: Schmidt et al./NJIT/NSO/AURA/NSF)…
In the greenish-smoky light of the sky, ghostly ripples can be seen. On May 26, under the starry skies of Colorado, with the Milky Way arcing into view, photographer Aaron Watson raised his camera and captured something unusual unfolding in…
Often referred to as the 'dragon baby', the great-eared nightjar lives on the forest floor, remaining stationary during the day to avoid predators. (Photo credit: NABA CHOUDHURY/Shutterstock (left) and Dominic Robinson/Alamy Stock Photo (right)) With its large, forward-facing eyes and…
Noctilucent clouds sparkle over the Neris River in Vilnius, Lithuania (Image credit: Photo by Jaugen Jerczak/SOPA Images/LightRocket via Getty Images) Noctilucent cloud season is here! Here's what you need to know about when to see this amazing phenomenon as we…
Video: Hurricane Helen survivors who met Trump share what the president's visit meant to them Two North Carolinians who lived through Hurricane Helena in September and suffered significant losses from the storm shared one line from President Donald Trump that…
Europa's surface ice is constantly changing, according to new spectra from the James Webb Space Telescope. (Image credit: Image data: NASA/JPL-Caltech/SwRI/MSSS; Image processing: Kevin M. Gill CC BY 3.0