Explore 25 universe mysteries scientists are still scratching their heads over, from dark matter to the Big Bang's secrets.

For more than 300 years, Isaac Newton's simple rule about gravity has held up: the farther apart two objects are, the weaker ...

Cosmic viewer The Atacama Cosmology Telescope in Chile was used by the team to observe gravitational interactions between ...

A spectacular cosmic event nicknamed “SN Winny” could help solve one of astronomy’s biggest mysteries: how fast the universe is expanding. This rare superluminous supernova, located 10 billion ...

Dive into 25 cosmic mysteries science can't explain, from dark matter to dark energy. Explore the universe's most baffling ...

An unprecedented neutrino detection in the Mediterranean has pushed the boundaries of high-energy astrophysics, raising new ...

In the exotic world of particle physics, neutrinos may be the most mysterious members. They rarely interact with other matter ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Here’s what you’ll learn when ...

A study of 300,000 galaxies confirms that gravity follows Newton's law and deepens the mystery of dark matter.

J. Colin Hill, an associate professor of physics, was awarded a New Horizons in Physics Prize by the Breakthrough Prize ...

Scientists have introduced a new Big Bounce model that disputes the Big Bang, suggesting the universe may have cycled through earlier cosmic eras.