Welcome back to Tumblr After Dark, where we dive into the weird, chaotic, and hilariously unhinged side of Tumblr. This ...

This dark matter detection method would hinge on two of these vast groupings of galaxies meeting and smashing into each other. As these galaxy clusters are packed with dark matter, astronomers ...

Astronomers have stumbled upon yet another ghostly galaxy that appears to be devoid of dark matter. First spotted in 2024, FCC 224 is a dwarf galaxy that boasts a dozen luminous, tightly bound ...

A new algorithm will search images of colliding galaxy clusters for evidence of self-interacting dark matter. It was only a matter of time before artificial intelligence took on dark matter.

This was the birth of our modern universe of galaxies, so poetically celebrated in Seeing in the Dark. Today, astronomers have measured the distance to the Andromeda Galaxy much more precisely ...

Here’s how it works. A gigantic blob of invisible dark matter has bent our galaxy out of shape, a new study suggests. Scientists initially believed that the Milky Way was a flat disk dominated ...

A potential dark galaxy — one made primarily of dark matter — may have been spotted in the local universe. Dark galaxies are theoretical, starless systems whose discovery could help ...

New research has found the first evidence of a massive galaxy with no dark matter. The result is a challenge to the current standard model of cosmology. A team of scientists, led by the researcher ...