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

For over a decade, a dim but persistent glow near the center of the Milky Way has confused astronomers. This mysterious ...

What is the biggest object in the universe? Learn more about the biggest objects in the universe, including galaxies, galaxy clusters, and dark matter.

A new theory suggests dark matter and dark energy may be illusions, caused by the gradual weakening of nature’s fundamental ...

The Universe still holds many mysteries, and among the most intriguing are these invisible components known as dark matter and dark energy. For decades, astronomers have estimated that ...

But a new study suggests that neither dark matter nor dark energy may actually exist. Instead, what scientists see as these mysterious forces could simply be an illusion, created by the slow weakening ...

A mysterious glow at the center of the Milky Way may actually be the first evidence for an elusive "dark" phenomenon, new ...

Dark matter makes up about 85 percent of all matter in the universe. It neither emits nor absorbs light, making it invisible ...

For decades, astronomers have believed that dark matter and dark energy make up most of the universe. However, a new study suggests they might not exist at all. Instead, what we perceive as dark ...

A gamma ray glow at our galaxy’s center has puzzled scientists for almost two decades. New computer simulations back the theory that dark matter could be the source.

"It's a fairly unusual question to ask in the scientific world, because most researchers would agree that dark matter is dark ...

Dark energy, which drives the accelerated expansion of the Universe, is assumed to be constant since the Universe began by ...