Physicist Richard Lieu first explored the idea that gravity could exist without mass—now he’s got a new cosmological model ...

Expanding the Dune universe with its wonderful cast for DUNE 3 ...

Dark energy makes up roughly 70 percent of the universe, yet we know nothing about it. Around 25 percent of the universe is the equally mysterious dark matter, leaving just five percent for everything ...

I found that cosmologies with such conditions generally predict a universe with accelerated expansion. Cosmic acceleration is a well-established fact, and also one of the most puzzling features of ...

Scientists have since worked hard to pinpoint how fast the Universe is expanding, and how long ago the Big Bang took place. It’s a compelling tale, with lots of twists and turns. But ...

And it may not even exist. This story begins -- like everything else -- at the Big Bang around 13.8 billion years ago, when the universe first started expanding. Since then, there has been "cosmic ...

In recent years, one of the most troubling puzzles in astrophysics has grown more urgent. Scientists have realized that the ...

These bursts, or “transient temporal singularities,” might explain why the universe is expanding without needing mysterious things like dark matter or dark energy. For years, scientists have ...

New observations of the cosmos show that the dark energy, a mysterious force that accelerates the expansion of the universe, ...