Forces have mediator particles. Electromagnetism is mediated by the photons, for example. So most of the decay of this excited dark matter particle would be this unknown mediator. The excited state ...

Engineers work slowly around a partially assembled spacecraft in a spotless lab at NASA's Goddard Space Flight Center in ...

The research makes use of data coming from telescopes deep in the Milky Way.

Every year, the College of Natural Sciences invites faculty, staff and students to send in the most striking and fascinating ...

Astronomers working with the Hubble Space Telescope have identified a nearly invisible galaxy in the Perseus Cluster that appears to consist almost entirely of dark matter. Designated Candidate Dark ...

NASA scientists published their discovery of a galaxy containing more dark matter than any other. Photos courtesy of Dr. Li ...

NASA’s NEO Surveyor telescope will launch in 2027 to find dangerous asteroids that current telescopes miss, strengthening planetary defense.

Dark galaxies are believed to have very few stars, if any at all, according to CNN. In the case of CDG-2, a preliminary ...

A galaxy made almost entirely of dark matter, an elusive form of matter that doesn’t interact with light, was spotted by Hubble 250 million light-years from Earth.

Fermilab and CERN unveil upgraded quantum sensors to enhance particle detection for future collider experiments.

A subtle gravitational-wave “hum” from merging black holes may help settle the cosmic fight over how fast the universe is ...

Astronomers have detected a ghostly galaxy that is almost completely made of dark matter. The faint object was revealed by just four globular star clusters hiding in the Perseus cluster.