The Coma Cluster is home to over 1,000 galaxies — and 90% of its mass is dark matter. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Breaking ...

For the first time, astronomers have detected dark matter hanging from massive filaments that stretch across the universe and form a "cosmic web" that trap galaxies like morning dew on a spiderweb.

Looking for a sky event this week? Check out our full Sky This Week column. February 19: Mercury at greatest eastern elongation Rising around 7:30 P.M. local time and visible all night and into the ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

NASA's Picture of the Day transports viewers into the deep cosmic dream with a captivating image of the Coma Cluster of Galaxies. This snapshot was captured by astrophotographer Joe Hua, revealing the ...

The constellation Coma Berenices, located near Arcturus and Denebola, contains the Coma Cluster. The Coma Cluster comprises over 1000 galaxies within a 4° area of the sky, with a denser concentration ...

Dark matter in the Coma Cluster region. The distribution of dark matter calculated based on this research (dark green cloud) is overlayed on an image of the Coma Cluster and more distant background ...

A group of researchers from the Stony Brook University and the National Astronomical Observatory of Japan has discovered 854 “ultra dark galaxies” in the Coma Cluster by analyzing archival data from ...