All of the people and mountains and planets and stars that you see around you only make up 15% of the universe's mass. The ...

In 2016, astronomers led by Pieter van Dokkum of Yale University published a bombshell paper claiming the discovery of a galaxy so dim, yet so broad and heavy, that it must be almost entirely ...

A galaxy called Dragonfly 44 has caught scientists’ attention for a fascinating reason: it’s made almost completely of dark matter. Astronomers used two telescopes on Maunakea, Hawaii to study the dim ...

A massive galaxy consisting almost entirely of dark matter has been discovered, using the world’s most powerful telescopes. Dark matter is the invisible ‘gravitational glue' that holds galaxies ...

On Thursday, Aug. 25, scientists announced the discovery of a galaxy with the same mass as the Milky Way but contains 99.99 percent dark matter, which is an elusive and undetected substance. Known as ...

A new strange UFO-like galaxy has been found by the W. M. Keck Observatory and the Gemini North telescope. The researchers have been observing the galaxy for some time now and what they have found is ...

The dark galaxy Dragonfly 44. The image on the left is from the Sloan Digital Sky Survey. Only a faint smudge is visible. The image on the right is a long exposure with the Gemini telescope, revealing ...

It's as if someone picked through the Milky Way, selecting just one star out of every 100 and throwing the rest away. 'That's something we never knew could happen' You can save this article by ...

The Milky Way is pictured in this September 28, 2014 handout photo from the International Space Station taken by NASA astronaut Reid Wiseman. A dark matter version of the famous galaxy has been ...