See composite views of the Cartwheel Galaxy captured by the James Webb Space Telescope. The galaxy is 500 million light years ...

NASA’s Chandra X-ray Observatory and Hubble Space Telescope have been used to study a cluster of stars, nicknamed “Nikhuli," ...

NASA is targeting an August 30 launch for the Nancy Grace Roman Space Telescope, which has 100 times Hubble's field of view.

The object, called 3I/ATLAS, is only the third interstellar visitor ever detected passing through our Solar System.

Compared with Hubble’s first shot of the nebula, taken in 1997, the new shot reveals subtle changes in the cloud of gas and ...

The SETI Institute is the latest to confirm what scientists have long suspected: the interstellar 3I/ATLAS comet is not an ...

Emma Chapman's "The Echoing Universe" is a vivid survey of the hidden parts of the cosmos and those who seek them out.

Euclid telescope finds a rare brightness gap in NGC 6397 star cluster, revealing new clues about red dwarf evolution and ...

Because relatively few stars pass through this brief transitional stage in their evolution, there is a corresponding dip in ...

Astronomers studying an ancient star cluster have discovered a strange gap where certain stars should exist but do not. The ...

The group leading the charge in the search for extraterrestrial life has given the all clear. The SETI Institute said ...

This week's images journeyed from the shimmering Crystal Ball Nebula to the icy south pole of Mars, highlighting beauty and ...