Cosmic voids may seem like the emptiest places in the universe, stripped of matter, radiation, and even dark matter. But they’re far from nothing. Even in these vast empty regions, the fundamental ...

Join the Department of Astronomy as renowned astronomers from across the country give five free lectures throughout the year. The first speaker in the 2017-2018 Frontiers of Astronomy Lecture Series ...

For years, we’ve believed that the universe is a vast, uniform expanse, with the same properties stretching across the cosmos. But what if that’s not the case? A surprising new discovery suggests that ...

Knotted structures once imagined by Lord Kelvin may actually have shaped the universe’s earliest moments, according to new research showing how two powerful symmetries could have created stable ...

New research by the Atacama Cosmology Telescope (ACT) collaboration has produced the clearest images yet of the universe's infancy—the earliest cosmic time yet accessible to humans. Measuring light ...

Covering a tiny patch of sky spanning less than a tenth of the full moon, the famous "Hubble eXtreme Deep Field" image revealed thousands of galaxies, including objects from the universe infancy. The ...

Cosmic strings are artifacts of what the universe looked like in the moments before it rapidly changed from a high-energy to low-energy environment—the Big Bang. Today, scientists believe cosmic ...

Learn how mysteries are being unraveled through the most beautiful images ever captured of our universe. From extreme close ups of our nearest cosmic companion the moon, to images of galaxies 15 ...

The Black Hole Universe: gravitational collapse of a large matter cloud leads to a bounce and subsequent expansion. A Universe-scale black hole forms, together with smaller relic black holes that ...

The universe operates at scales and speeds that defy human comprehension. From particles racing through space at near-light velocity to events that unfold in mere milliseconds, cosmic phenomena ...