The spiral galaxy NGC 1532, also known as Haley’s Coronet, is caught in a lopsided tug of war with its smaller neighbor, the dwarf galaxy NGC 1531. The image — taken by the US Department of Energy’s ...

An invisible halo of misaligned dark matter could explain the warps at the Milky Way's edges. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Astronomers were surprised to find a galaxy that lacks an invisible ...

The dwarf galaxy seems to have none of the mysterious stuff that's thought to make up most of the universe's matter. That's bizarre. reading time 3 minutes Dark matter is the invisible something that ...

This detailed image features Abell 3827, a galaxy cluster that offers a wealth of exciting possibilities for study. Hubble observed it in order to study dark matter, which is one of the greatest ...

When two enormous clusters of galaxies collided billions of years ago, their dark matter shot right out of them, leaving behind the gas and stars that made up the remains of the clusters.

Cosmologists have long been on the hunt for dark matter, which makes up 80 percent of the mass in the universe, and yet is still mysterious. As its name suggests, dark matter doesn’t emit light, ...

"This result does not fit in with the currently accepted cosmological models, which include dark matter." When you purchase through links on our site, we may earn an affiliate commission. Here’s how ...

A new image from the Hubble Space Telescope shows a galaxy partly hidden by a huge cloud of dust known as a dark nebula. The galaxy IC 4633 still shines brightly and beautifully in the main part of ...