NASA's James Webb Space Telescope (JWST) has produced a new image of the Bullet Cluster, which is a titanic collision between ...

Because it doesn't interreact with light or electromagnetism, dark matter exists to us only through its influence on visible ...

To understand gravitational lensing and dark matter, James Jee, a professor at Yonsei University, says to think of a pond ...

Webb’s new images of the Bullet Cluster reveal the most detailed dark matter map yet, shedding light on cosmic collisions and ...

NASA's James Webb Space Telescope recently zeroed in on the Bullet Cluster—delivering highly detailed images that show a greater abundance of extremely faint and distant galaxies than ever before.

It means that the Bullet Cluster collision is still exceptional, but only in the one-in-a-hundred sense and not in the one-in-100-million sense indicated by the earliest research.

The Bullet Cluster is a massive collection of two large groups of galaxies some 3.8 billion light-years distant. Skip to content Introducing the all-new Astronomy.com Forum!

Dark matter just got a shade more mysterious. Scientists studying a smashup between giant clusters of galaxies have watched how each cluster’s dark matter passes through the collision – and ...