How do you distinguish a galaxy from a mere cluster of stars? That’s easy, right? A galaxy is a large collection of millions ...

NASA’s Chandra X-Ray Observatory helped diagnose the cause behind a large kink in a huge filament near the center of the ...

Sagittarius C, a turbulent region near the Milky Way’s center, is glowing with hot plasma and threaded by magnetic fields, ...

An Egyptian sarcophagus shows the sky goddess Nut as being covered in stars and having a dark, undulating curve running ...

A cosmic "bone" at the heart of the Milky Way appears to be fractured. Looking at the break, astronomers found a radio source.

A rare Egyptian coffin image may show the Milky Way crossing the sky-goddess Nut, says a University of Portsmouth scientist.

The first image of the whole Earth from space came in 1972, when astronauts Ron Evans or Harrison Schmitt took a photo from onboard Apollo 17 while headed to the Moon. This was the first time that an ...

American space agency NASA announced the start of ops or the Spectro-Photometer for the History of the Universe, Epoch of ...

Initially, the astronomer who first made note of this fuzzy-looking glowing cluster thought it might be a nebula. But it’s ...

SPHEREx begins mapping the sky in infrared, exploring the universe’s origins and life’s building blocks across the Milky Way.

The town of Jackson and Teton County became official International DarkSky Communities for efforts to reduce light pollution. While many towns have ...

Astronomers used the James Webb Space Telescope for the largest and deepest sample of galaxy groups, some of which were up to ...