See amazing views of colliding galaxies NGC 520 and barred galaxy IC 4212 in imagery from the Siena Galaxy Atlas. Credit: ...

Nearly a century after astronomers first proposed dark matter to explain the strange motions of galaxies, scientists may finally be catching a glimpse of it. A University of Tokyo researcher analyzing ...

Queen guitarist Sir Brian May's latest book explores the history, mystery and evolution of galaxies in a way never tried ...

An expanding universe complicates this picture just a little bit, because the universe absolutely refuses to be ...

In the early 1930s, Swiss astronomer Fritz Zwicky observed galaxies in space moving faster than their mass should allow, ...

For the first time, NASA Chandra X-ray telescope has been used to discover a pair of black holes in dwarf galaxies that are ...

After only one year of operations, the European Space Agency's Euclid mission has begun to unravel the mystery of why galaxies take on different shapes and how these different shapes relate to each ...

A new study claims to show evidence of gamma-ray emissions that closely resemble those expected from two weakly interacting ...

Scientists may have "seen" dark matter for the first time, thanks to NASA's Fermi gamma-ray space telescope. If so, this ...

Renowned astrophysicist Neil deGrasse Tyson is perhaps best known for his podcast “Star Talk,” where he discusses covers various topics with scientists from around the world. He sat down with CBC News ...

A team of astronomers say they've made the first ever detection of dark matter by examining gamma rays near the center of the ...

“If this is correct, to the extent of my knowledge, it would mark the first time humanity has ‘seen’ dark matter. And it ...