I promise it's not an alien.

Explore decades of incredible images and videos of stars, planets, moons, and galaxies—most of which are free to use and ...

Roman is in Florida, getting ready for its August liftoff.

Early Thursday, a record-breaking SpaceX rocket launch painted a 'jellyfish' in the predawn sky. See the FLORIDA TODAY photos ...

On July 5, a Japanese spacecraft flew past an odd-looking asteroid named Torifune. The probe snapped photos, which it beamed ...

NASA offers a simple way to see which stunning celestial image the Hubble Space Telescope captured on your birthday.

Europe is experiencing a serious heat wave at the moment, and we have the satellite data to prove it. In new data from Europe's Sentinel-3 mission, we can see the scorching temperatures ...

For millennia, the act of gazing at the night sky has connected us not only to the stars but also to one another. This simple, shared experience ignites our curiosity, inspiring philosophical and ...

NASA's Chandra X-ray Observatory celebrates the 4th of July with a dazzling array of red, white and blue space phenomena.

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. In a moment long-awaited by astronomers, the Vera C. Rubin ...