If you've never sighted this rocky little world for yourself, you'll never get a better opportunity than right now to see it.

This is the strongest evidence yet of a rocky planet beyond our solar system with an atmosphere. Astronomers using the James ...

Saturn's huge moon Titan may not hide an ocean under its frozen surface but rather widespread pockets of liquid water, a new study finds. Titan is the largest of the 274 known moons orbiting Saturn.

Interstellar comet 3I/ATLAS makes its closest approach to Earth on Dec. 19. Here's how you can track its progress both during ...

The Geminids return with near-perfect viewing conditions, offering skywatchers up to 150 meteors an hour under dark December ...

"Asteroseismology with Roman is possible because we don't need to ask the telescope to do anything it wasn't already planning to do." When you purchase through links on our site, we may earn an ...

Depending on how you look at it, the universe might not have an "end," after all. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. This article ...

Liftoff occurred at 2:53 a.m. EST on Saturday (Nov. 22). When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. SpaceX reached another milestone with ...

"This signifies a major development in astronomy and physics." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Scientists may have "seen" dark ...

Liftoff of the Shenzhou 22 mission is scheduled for 11:11 p.m. EST (0411 GMT, Nov. 25; 11:11 a.m. Beijing Time). When you purchase through links on our site, we may earn an affiliate commission.

There's some spaceflight action on tap on Thanksgiving Day (Nov. 27), but you'll have to get up pretty early to catch it. A Soyuz rocket is scheduled to launch from the Russian-run Baikonur Cosmodrome ...