Stargazers can tune in to the Virtual Telescope Project's YouTube stream beginning at 11 p.m. EDT on Sept. 17 (3:00 GMT Sept.

Watch the Sept. 21 partial solar eclipse live online with this handy livestream. Coverage begins at 2 p.m. EDT (1800 GMT).

A new image has revealed the clearest glimpse yet of an interstellar visitor zipping through our solar system.Video above: Astronomers discover how planets formThe Hubble Telescope and its Wide Field ...

A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...

Who hasn't looked into the sky and wondered if there's life out there, somewhere, looking back at us? Is it possible there's alien life closer to home — within the bounds of our solar system? The ...

A NASA mission, IMAP, and two more spacecraft that will study space weather are traveling through space atop a single SpaceX rocket. By Kenneth Chang A SpaceX rocket launched on Wednesday morning ...

The interstellar object hurtling toward the inner solar system, where Earth is located, is much larger than previously thought, astronomers say. A comet named 3I/ATLAS likely weighs more than 33 ...