Here's how to watch back-to-back northern lights on Monday, July 30, and Tuesday, July 1, in the United States.

Starting in the 1950s and up to 2019, there was a sum total of roughly 2,000 operating satellites in orbit. But in May of 2019, Elon Musk's aerospace company SpaceX launched the first ...

The first dazzling images have been released from the National Science Foundation and Department of Energy’s Vera C. Rubin ...

The sky conditions, and the Moon, together offered me moments of magic and excuses to try different things. Also, when my cameras were busy taking photos, all of us would lie down and watch the stars.

"India, China, Brazil are all close behind. The United States military is developing its own [megaconstellations] right now," said Lowenthal. "The nation of Rwanda has filed plans for 330,000 ...