The Chandra X-ray Observatory view of galaxy group NGC 4839 has revealed that it is "plunging into the Coma galaxy cluster ...

First Quarter Moon occurs at 7:28 A.M. EST. The Moon then reaches perigee, the closest point to Earth in its orbit, at 6:14 P.M. EST. At that time, our satellite will be 229,991 miles (370,135 ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. The stunning view of the Coma galaxy cluster, taken by the Dark Energy Camera. The two large ...

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 ...

Many of us have seen intricate patterns that milk makes in coffee and much smoother ones that honey makes when stirred with a spoon. Which of these cases best describes the behavior of the hot gas in ...

Spring skies reveal some of the best galaxies visible to backyard telescopes.

Galaxy clusters are the largest structures in the Universe held together by gravity. Enclosing the hundreds or thousands of galaxies are enormous amounts of superheated gas that glow in X-ray light.

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 ...