A faint radio "whisper" from ancient hydrogen reveals the universe was heating up long before it filled with starlight.

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

Astrophysicists have presumed for nearly a century that the universe will just keep expanding for all eternity, driven by an ...

Researchers in Korea have made a massive discovery that could change the way we approach nuclear fusion and our understanding ...

If recent discoveries that dark energy is evolving hold any water, our Universe will collapse under its own gravity on a finite timeline, new calculations suggest.

For science-fiction enthusiasts, that’s a bit depressing. Space is big, and while the speed of light is incredibly fast to us ...

According to the model, dark matter may have started as particles that were hot, light, massless, and fast. As the universe ...

We all need some space sometimes—but it's harder to find than you might think. How far into our universe do we have to go to ...

From early experiments with lanterns to Einstein’s revelations about space and time, the speed of light has proven to be far more than a number: it’s the cosmic constant that defines reality.

"I think it's natural to take a break and wonder whether we are fundamentally thinking about this in the wrong way." Dark matter could be made from tiny black holes formed when so-called "dark baryons ...

Yampolskiy continues this tradition of exploring the boundaries of a possible simulation and specifically exploring ways to ...

Pop culture is saturated with franchises, and Swift is the master of creating them. But her marketing is beginning to ...