Physicist Richard Lieu first explored the idea that gravity could exist without mass—now he’s got a new cosmological model ...

Dr. Richard Lieu, a physics professor at The University of Alabama in Huntsville (UAH), a part of The University of Alabama ...

At that point in cosmic history, the universe was shrouded by neutral hydrogen, and most objects and phenomena would not be ...

Theoretical physicists James Hartle and Stephen Hawking, for example, proposed that rather than having a strict beginning as we would understand it, the universe evolved out of a "no-boundary" state ...

Physicists have taken a bold step beyond Einstein's special theory of relativity, proposing an expansion of special ...

When you see pasta, your brain probably doesn't jump to the secrets of the universe. But for almost a century, physicists have puzzled over spaghetti's counterintuitive properties.

Researchers mapped a far-infrared landscape brimming with nearly 2,000 galaxies. There may be "hidden galaxies" lurking just out of sight.

In 2024, NASA astronaut Matthew Dominick caught a glimpse at one of the most elusive atmospheric phenomena known as red sprites. These occur during particularly powerful thunderstorms and travel ...

"Could our galaxy one day experience similar high-energy phenomena that will have serious consequences for the survival of precious life in it?" ...

New research suggests that elusive black hole radiation, known as Hawking radiation, may have altered the shape of our universe. | Credit: Gam-Ol via Pixabay A theoretical phenomenon proposed by ...

One of the most powerful objects in the universe is a radio quasar—a spinning black hole spraying out highly energetic ...