Dark matter appears to hold galaxies together, yet it has never shown itself directly. A new theory suggests the missing ...

A ghostly ring of dark matter captured by the Hubble Space Telescope. Galaxies, including the one we call home, are within halos of dark matter. But what exactly dark matter is remains something of a ...

Dark matter is already one of the strangest substances in the universe, but a new study suggests this elusive material could ...

The universe is expanding faster today than early cosmic measurements appear to allow. A proposed reversal in dark energy ...

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 ...

The proposed semiconductor-based design uses magnetic fields to catch dark matter particles.

For nearly a century, astronomers have known that the universe is expanding. In the late 1990s, two independent teams, the ...

Dark centre? A simulated version of the Milky Way galaxy. (Courtesy: AIP/ A. Khalatyan) Astronomers have long puzzled over the cause of a mysterious “glow” of very high energy gamma radiation ...

Dark matter is a real pain in the neck. The term dark matter itself refers to a hypothetical substance that seems to solely interact with the rest of the universe via gravity and to serve as the ...

Ask most astronomers, and they’ll tell you that dark matter and dark energy make up more than 95 percent of the universe and that they are the explanations for many of the large-scale phenomena we ...