"There are more questions than answers at this point." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Dark energy could have an accomplice that ...

Researchers have been looking at everything, including supernovas, trying to uncover the mysteries of dark matter. Recent scientific studies suggest that dark matter might not be a particle hiding in ...

A strange, starless cloud on the edge of a nearby galaxy is forcing astronomers to confront one of the biggest unknowns in ...

Dark energy could have an accomplice that helps it slow the growth of large cosmic structures, such as vast superclusters made up of clusters of galaxies. A new analysis of astronomical data suggests ...