James Webb telescope's 'starlit mountaintop' could be the observatory's best image yet — Space photo of the week Webb reveals a fiery starburst in the Cigar Galaxy — Space photo of the week James Webb ...

A new image has revealed the clearest glimpse yet of an interstellar visitor zipping through our solar system. The Hubble Telescope and its Wide Field Camera 3 got an incredible view of the comet ...

Watch live view of the Comet C/2023 A3 Tsuchinshan-ATLAS as seen from the Virtual Telescope Project facility in Manciano, Italy.

Watch live as The Virtual Telescope Project provides a view of the interstellar comet 3I/ATLAS as seen from telescopes in Italy.

A comet known as 3I/ATLAS made news when it was confirmed to be the 3rd-ever object observed to have originated outside Earth's solar system. Though the object poses no threat to Earth, astronomers ...

Overall, this telescope is a great choice for beginning your celestial journey. It's affordable, lightweight and easy to navigate — and Celestron goes the extra mile to assist in your astronomical ...

The final integration of the telescope's major observatory components took place on Nov. 25 inside NASA's Goddard Space ...

The most powerful X-ray telescope ever built has reached its landmark 25th anniversary in space — but back on Earth, astronomers worry that its future is very much in doubt. Supporters of the Chandra ...

On Oct. 1, 1847, at age 29, Maria Mitchell, a studious and sturdy Quaker who, as a child, began sweeping the sky above Nantucket, Mass., with a telescope, became America’s first scientist to discover ...