For more than ten years, astronomers have observed an enigmatic gamma glow coming from the heart of our Milky Way. Known as ...

Dark matter may not have needed a calm, cold start to help build the universe. That is the challenge raised by new work from ...

A blip of light in the outer reaches of the Milky Way might be a bizarre black hole born at the beginning of time itself—and the long-sought solution to the mystery of dark matter. Astronomers are ...

Dark matter accounts for 85% of the matter in the universe, but scientists still do not know what it is made of. A study, ...

Scientists have taken a fresh look at the Milky Way's mysterious gamma-ray glow using machine learning and uncovered evidence ...

An observatory in Chile is taking a timelapse of the sky over the Southern Hemisphere to help scientists measure the ...

The Bullet Cluster of galaxies might only have half as much dark matter than scientists thought, or perhaps even none at all, ...

Roughly 80 percent of the mass of the universe appears to be dark matter: an invisible material that seems to interact with ...

More than 5,000 planets have been discovered beyond our solar system, allowing scientists to explore planetary evolution and consider the possibility of extraterrestrial life. Now, a UC Riverside ...