Dark energy may be the most mysterious substance ever proposed, but many scientists are certain it exists. Why?

For forty years, the “Standard Model” assumed dark matter must be cold. If it moved too fast (which would have made it hot), ...

The Dark Energy Survey Collaboration collected information on hundreds of millions of galaxies across the universe using the U.S. Department of Energy-fabricated Dark Energy Camera, mounted on the U.S ...

Advanced quantum detectors designed at Texas A&M University are reinventing the search for dark matter, an unseen force that science has yet to explain.

Add Yahoo as a preferred source to see more of our stories on Google. An artist’s concept of the dark energy-driven accelerating expansion of the universe. New results suggest dark energy’s influence ...

Physicists have unveiled a new way to simulate a mysterious form of dark matter that can collide with itself but not with ...

The new research suggests an alternative origin. Dark matter could have instead been born extremely hot, opening up ...

We don't want the Earth's core to melt.

Scientists build ultra-sensitive detectors to study dark matter and dark energy, which make up most of the universe but remain unseen and poorly understood ...

In the search to understand how the universe came to be, a new theory is rewriting the script. Instead of one massive, fiery birth like the Big Bang, this idea suggests the cosmos has been growing in ...

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 ...

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 ...