Researchers have unveiled a new model for the universe’s birth that replaces cosmic inflation with gravitational waves as the ...
This controversial theory says the universe is subject to an ultimate, higher-order law that we can’t comprehend.
What is the biggest object in the universe? Learn more about the biggest objects in the universe, including galaxies, galaxy clusters, and dark matter.
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 ...
If the universe is expanding, then what is it expanding into, and what is it expanding from? Where's the edge of the universe ...
Astronomy is, in essence, an exercise in inference. We cannot touch the stars, nor scoop up galaxies in a lab. Instead, we ...
The universe may be vast, but researchers have multiple points of evidence that reveal its shape.
The true “informational age” of the cosmos may be 62 billion years, not just the 13.8 billion years of our current expansion.
The Big Bang is often described as the explosive birth of the universe—a singular moment when space, time and matter sprang into existence. But what if this was not the beginning at all? What if our ...
The expiration date for the universe is now sooner than experts previously thought, new research suggests. But don't cancel your summer vacation, because it's still trillions of years in the future.