A new study published by the Royal Astronomical Society (RAS) is sending shockwaves through the world of astrophysics.

But there are several important anomalies, including a widely debated one called the Hubble tension. It is named after Edwin ...

A galaxy cluster in the early universe is 10 times hotter than it ought to be, which may reshape how we think these enormous ...

After a three-year hiatus, scientists in the U.S. have just turned on detectors capable of measuring gravitational waves—tiny ripples in space itself that travel through the universe. Unlike light ...

The universe — everything in existence — is expanding every second! It's only been about a hundred years that humanity has known this, too — that most galaxies are traveling away from us and the ...