If the universe is expanding, then what is it expanding into, and what is it expanding from? Where's the edge of the universe ...

The universe may be vast, but researchers have multiple points of evidence that reveal its shape. Rand Paul: 'All of these ...

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

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.

Astronomy is, in essence, an exercise in inference. We cannot touch the stars, nor scoop up galaxies in a lab. Instead, we ...

I was reminded recently that we seem to be trapped in a Catch-22 Universe. What makes it a Catch-22 is that no one is qualified to penetrate the mystery of the cosmos without skill in advanced ...

The true “informational age” of the cosmos may be 62 billion years, not just the 13.8 billion years of our current expansion.

Stakes come no higher than in Particle Fever, a dazzling, dizzying documentary about nothing less than whether we exist in a coherent universe of ordered, even beautiful laws — or whether, as ...

"I think it's natural to take a break and wonder whether we are fundamentally thinking about this in the wrong way." Dark matter could be made from tiny black holes formed when so-called "dark baryons ...