The Vera C. Rubin Observatory in Chile has begun generating test images of the night sky, but the big reveal is expected later this year.

Hidden away in the darkest corners of Earth’s atmosphere, a faint green airglow quietly paints the night sky, far from the ...

Pakistan and India engaged in four days of intense fighting before a US-brokered truce was announced May 10, 2025. But ...

April 21 - 28 is International Dark Sky Week, a global celebration of the night sky during which like-minded organizations ...

Modern lasers meet ancient wisdom as four beams from ESO’s telescope reflect the Andean reverence for cosmic balance.

On a volcanic island under some of the darkest skies on Earth, I rediscovered the night sky and came home with a new view of ...

According to Culbertson, Venus will be the higher of the two “eyes” while Saturn will be the lower, and the thin, crescent ...