UChicago-led study analyzes massive galaxy clusters mapped by the Dark Energy Survey, offers new way to probe cosmic laws ...

Astronomers have found new evidence that mysterious dark matter may be responsible for the unusual glow of high-energy gamma ...

Most explanations rely on "dark energy" to explain the Universe's accelerating expansion rate, but a new study takes a ...

Dark matter remains one of the most mysterious substances in the universe. We can’t see it, but we know it’s out there, ...

At the heart of the Milky Way, a faint and widespread glow of gamma rays has puzzled astronomers for decades. The light could be the result of dark matter particles colliding, or it might come from ...

We have more satellites than ever before, but when they burn up they create a new kind of air pollution. Evidence is now ...