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

The potential finds could be contributing to some of the faintest light we can see in the universe, say researchers.

Astronomers may have uncovered a hidden population of galaxies that could rewrite what we know about the universe's evolution. These faint, dusty galaxies were discovered using the deepest ...

For now, researchers think the light might be coming from the first stars to exist, or outflows from a supermassive black ...

Among the most fascinating phenomena are gamma rays, the most energetic form of electromagnetic radiation. Recently, ...

Euclid is on a quest to unravel one of the universe’s greatest mysteries: why it's expanding faster and faster. With help ...

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

On March 19, one of NASA's Deep Space Network facilities — located in Canberra, Australia — entered its 60th year of relaying priceless information between scientists on Earth and the ...

Astronomers have peered back in time to find what looks like a population of 'hidden' galaxies that could hold the key to unlocking some of the universe's secrets. If their existence is confirmed it ...