Imagine a universe that barely exists—just fractions of a second old, too young to look anything like the cosmos we know ...

A new study suggests that during a potential phase of primordial matter domination, particle interactions may have led to the formation of the universe’s first compact cosmic objects. Less than a ...

Astrophysicists find the birth sites of gigantic elliptical galaxies which they say gives new clues about how they were formed. The galaxies look like bulging footballs and how they were created ...

The James Webb Space Telescope may have discovered Population III stars, the universe's first generation of stars. They may ...

The discovery of a superheated star factory that forms stars 180 times faster than our own Milky Way could help solve a ...

Physicists have taken the Universe’s temperature, revealing the searing trillion-degree heat of the Big Bang’s first plasma.

A new theory claims dark matter and dark energy don’t exist — they’re just side effects of the universe’s changing forces. By ...

German astronomer Johannes Kepler (1571-1630) once hypothesized that the universe began on April 27, 4977 B.C., according to History.com. The Big Bang theory did not develop until the 20th century, ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." It is now thought that water first formed in space only 100 to 200 million years after the Big ...

Members of the Case Western Reserve University community are invited to hear from Kelsey Johnson, professor of astronomy and director of the Echols Scholars Program at the University of Virginia, at ...