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

On human timescales, the universe may as well be eternal. It’ll be here long after our species and our planet are gone, but ...

However we do not have to worry about the universe-obliterating Big Rip yet because if it happens it would happen in about 22 billion years.

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

Researchers propose that black holes may emit dark energy, possibly explaining the universe's accelerating expansion.

There was, you might say, a disturbance in the Force. Long, long ago, when the universe was only about 100,000 years old — a buzzing, expanding mass of particles and radiation — a strange new energy ...

What if the universe remembers? A bold new framework proposes that spacetime acts as a quantum memory. For over a hundred ...

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