Seconds after the Big Bang, the Universe exhibited an astonishing simplicity. Observations reveal a spatially flat, radiation ...

The universe is moving too fast and nobody knows why. Back in the early years of the universe, right after the Big Bang, everything blasted away from everything else. We can still see the light from ...

New research suggests that the universe is filled with particles capable of traveling faster than light, LiveScience reports — and that this scenario holds up as a potentially "viable alternative" to ...

Hubble's law explains that the reason most galaxies are moving away from one another is because the whole universe is expanding. Pick any two galaxies at random, and the chances are they’re moving ...

We thought we’d ask Geza Gyuk, Director of Astronomy at the Adler Planetarium and a research scientist at the University of Chicago. Here's what he said: A few years after Albert Einstein had ...