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

If ultimately true, the universe will reach its maximum size around 11 billion years from now. At that point, physics (and ...

Astronomers have long thought the universe should look generally the same in every direction, but an anomaly in the radiation ...

What is the biggest object in the universe? Learn more about the biggest objects in the universe, including galaxies, galaxy clusters, and dark matter.

A surprising new study reveals that the first stars appeared in a pre-heated universe, challenging earlier ideas about early cosmic conditions.

For more than a century, physics has been built on two great theories. Einstein's general relativity explains gravity as the ...

About a century ago, scientists were struggling to reconcile what seemed a contradiction in Albert Einstein’s theory of general relativity. Published in 1915, and already widely accepted worldwide by ...