Early Universe

A long-dismissed idea involving “cosmic knots” could help explain several of the universe’s most perplexing mysteries—including the origins…

3I/ATLAS: Initial observations suggest a nucleus size ranging from 0.32 to 5.6 kilometers, with a most likely diameter…

We know very little about the first few microseconds after the Big Bang. We have theories, most of…

The early universe is perhaps one of the biggest mysteries of our time, and while we’ve come close to…

Seconds after the Big Bang, the newborn universe gave rise to the first elements—ionized forms of hydrogen and…

Astronomers using the NASA/ESA/CSA James Webb Space Telescope have observed the Hubble Ultra Deep Field (HUDF), an area…

Physicists Revive a 19th-Century Theory of “Cosmic Knots” to Help Untangle the Mysteries of Dark Matter and Neutrinos