Population III (PopIII) stars represent astronomy's ultimate prize: the first generation of stars born from the pristine ...

"We have discovered a galaxy that has been 'perfectly preserved' for billions of years, a true archaeological find that tells ...

The first test images from the Vera C. Rubin Observatory in Chile showcase thousands of previously unknown asteroids and ...

NASA's Chandra Observatory has combined different wavelength images of the Andromeda galaxy to honor astronomer Vera Rubin, ...

Alternative to fireworks? Stargazers could instead catch a cosmic light show this Fourth of July weekend when the Milky Way ...

The first images from the Vera C. Rubin Observatory showed off a breathtaking preview of its capabilities — capturing millions of stars and galaxies light-years from Earth, along with thousands ...

In its first year alone, it will double the amount of data collected so far by every other instrument in the history of optical astronomy ...

Disk galaxies, like our own Milky Way galaxy, commonly consist of both a thick and thin disk of stars—each with different ...

Supermassive black holes usually lurk unseen, but when an unlucky star drifts too close they ignite titanic outbursts ...

The Vera C. Rubin Observatory, located on a mountaintop in Chile, unveiled vibrant images Monday of colorful nebulas, stars ...

Compact ruddy galaxies seen by the James Webb telescope confound astronomers. Having very little spin at birth may explain the galaxies’ small sizes.