After a century of observations spanning the breadth of the cosmos and theoretical insights that push humanity's vision of ...

For science-fiction enthusiasts, that’s a bit depressing. Space is big, and while the speed of light is incredibly fast to us ...

Modern cosmology reveals a universe expanding uniformly without a spatial center or edge. The Big Bang wasn't a localized explosion but a simultaneous ...

The universe is expanding, and while that fact is fascinating, it also creates a question that trips people up: if it’s growing, what exactly is it expanding into? Our brains are used to picturing ...

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 ...

From early experiments with lanterns to Einstein’s revelations about space and time, the speed of light has proven to be far more than a number: it’s the cosmic constant that defines reality.

We obviously can’t put the universe on a giant set of scales, but scientists have found astonishingly clever ways to […] ...

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

Progress in the foundations of physics is moving slowly. And yet it moves. Today I look at the five biggest problems in ...

According to the equations that govern black holes, the larger one of these cosmic behemoths is the lower its average density ...

God is everything, and everything is God. That is, according to pantheism, an umbrella term for a set of beliefs that suggest God did not create the universe—but that God is the universe. For hundreds ...