A surprising new study reveals that the first stars appeared in a pre-heated universe, challenging earlier ideas about early cosmic conditions.

We know how the universe began. An event we call the Big Bang started it all about 13.8 billion years ago. How the universe ...

Astronomers have uncovered a vast cloud of energetic particles surrounding one of the most distant galaxy clusters ever observed, marking a major step forward in understanding the hidden forces that ...

Black holes are among the most intriguing cosmic bodies, but we know little about their origins. The Pop III.1 model explains ...

Most cosmologists believe that these stars were the first large, free-floating structures to illuminate our universe, and ...

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 ...

New information from a distant corner of the universe may lead to a fuller understanding of how the elements of the periodic table–which make up all the familiar matter in the universe–come to be. A ...

For more than a century, physics has been built on two great theories. Einstein's general relativity explains gravity as the ...

"It was actually a total surprise to find the satellites in that configuration and we still don’t fully understand why they appear that way." When you purchase through links on our site, we may earn ...

The fate of the cosmos may be a bit different than previously expected. For years, scientists have talked about how the universe is always expanding — constantly moving outward, never stopping.