Some scientists now propose the universe may have been born through multiple Big Bang events, challenging traditional ...

Theoretical physicist Michio Kaku supports the concept of parallel universes, but he says people shouldn’t get their hopes up ...

Astronomers have discovered that super-Earth exoplanets are more common across the universe than previously thought. While it can be relatively easy to locate worlds that orbit close to their star, ...

Cosmologist Katie Mack breaks down what the latest findings about dark energy mean for our universe’s future. Either way, it won’t be happy.

A bold new theory suggests the universe didn’t begin with a single Big Bang, but instead unfolds through a series of ...

These series of step-like bursts happen so rapidly that they are difficult to observe as these singularities wink in and out ...

Using data from space telescopes and other instruments, astronomers, cosmologists, and astrophysicists are able to deduce and ...

A new idea about cosmic expansion has emerged that might remove the need for dark matter and dark energy altogether.

Dark matter is hypothesized to outweigh "ordinary matter" in the universe by a factor of five. That means all the stuff we ...

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

These bursts, or “transient temporal singularities,” might explain why the universe is expanding without needing mysterious ...