Only about 5% of the universe is composed of normal matter that we can directly observe, while the remaining 95% is widely ...

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 ...

A good chunk of cosmology is riding on whether dark matter exists or not. But what makes us so certain that dark matter is ...

Dr. Richard Lieu, a physics professor at The University of Alabama in Huntsville (UAH), a part of The University of Alabama System, has published a paper in the journal Classical and Quantum Gravity ...

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 ...

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 ...

The new paper concludes that when space is treated as physically real rather than empty, the need for dark matter, dark ...

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 ...

It’s one of the most memorable moments of my career – and not in a good way. I was giving a talk to a room packed full of eminent astrophysicists, but there had been a bit of a childcare crisis, so ...