As NASA reports, two astronomers working with raw Webb data the space agency periodically makes available to researchers, ...

Hold onto your telescopes, folks—the milky way and andromeda just challenged each other to a cosmic size contest… and ...

Answer 17: A meteoroid is a small rocky or metallic body in space. A meteor is the streak of light produced when a meteoroid ...

In a discovery that could change how we understand the universe, a team of astronomers led by Yale’s Pieter van Dokkum has ...

The Infinity Galaxy is a recent discovery from the James Webb Space Telescope’s COSMOS-Web survey, found in archival data.

Two of the most perplexing structures in the universe have just become even more mysterious. Researchers studying the Milky ...

Small, compact galaxies seen in the early universe have puzzled astronomers – finding these unusual objects closer to home ...

"It was something I’ve never seen before and I’ve looked at tens of thousands of images of galaxies over my career," he said.

Astronomers have detected cold hydrogen clouds within the Fermi bubbles near the Milky Way's core, suggesting a recent black hole eruption.

Astronomers using the Green Bank Telescope in West Virginia have spotted massive clouds of cold hydrogen gas hiding within the Fermi bubbles.

A gravitational wave has revealed the biggest black-hole merger ever recorded—so massive and extreme, it defies current astrophysical models. The clash formed a 225-solar-mass monster, possibly made ...