Looking for the most spectacular night skies in the U.S.? From national parks to remote deserts, discover the best places to stargaze and experience breathtaking views of the cosmos. Perfect for ...

The iridescent cloud reveals new clues about ice formation in the Martian atmosphere (no little green men, sorry).

The incoming blood moon, set to be a 'partial lunar eclipse', will be the first to grace Earth for more than a year.

“When it’s brightest, Venus appears as an eerily eye-catching beacon,“ EarthSky wrote. ”Many mistake it for a UFO. It’s ...