Scientists figured out that the universe is billions of years old — after years of reading ancient rocks and dying stars, and ...

This controversial theory says the universe is subject to an ultimate, higher-order law that we can’t comprehend.

Russell M. Kulsrud, 97, a pioneering theoretical physicist whose work helped define the modern fields of plasma physics and ...

Pushing scientists closer than ever to understanding the Big Bang, physicists have finally measured the temperature of ...

There is a mysterious glow coming from the middle of our galaxy – and scientists say it could help solve one of the ...

Dark matter—the mysterious substance that makes up about 27% of the universe—has long been thought to be completely invisible ...

Astronomers have detected a mysterious dark object in a distant part of the universe, hopefully offering new insight into one ...

For decades, astronomers have listened to the cosmos through pulsars — rapidly spinning neutron stars that emit perfectly ...

Why is the universe expanding at an ever-increasing rate? This is one of the most exciting yet unresolved questions in modern ...

A research team led by Rice University physicist Frank Geurts has successfully measured the temperature of quark-gluon plasma ...