Price history: Before today's deal, the lowest price this year that we've seen for the Celestron NexStar 8SE was $1299 back ...

You can watch comet 3I/ATLAS live online tonight (July 3), thanks to the Virtual Telescope Project, which will livestream ...

A Soyuz rocket is scheduled to launch the uncrewed Progress 92 freighter from the Russia-run Baikonur Cosmodrome in ...

Less than two weeks later, on June 25, reports began to circulate of a second nova blossoming in the southern night sky, this time in the constellation Vela. This nova — later designated V572 Velorum ...

Since Kepler's laws of motion dictate that celestial bodies orbit more slowly when farther from the sun, we are now moving at ...

The newly observed binary system features a cataclysmic variable star, designated GOTO0650, which is in a rarely seen late stage of its evolution. This was also the first major discovery for the ...

In his new book '52 Assignments: Night Photography', award-winning astrophotographer Josh Dury invites you to raise your lens ...

"This has profound implications for how we interpret surface volcanism, earthquake activity and the process of continental ...

By discovering carbonate rocks, NASA's Mars rovers may have unlocked the key to understanding the fate of the Red Planet's climate.

One of the most advanced satellites for tracking harmful greenhouse gas emissions has died in space.

From July 3 through July 8, it will be possible to sight the two largest objects currently in orbit around the Earth, passing across the predawn sky within minutes of each other.