A brilliant cosmic flash, brief yet immensely powerful, travelled over 13 billion years before reaching Earth. It passed ...
New observations from the James Webb Space Telescope (JWST) suggest the cosmos may be much older than once believed. For decades, scientists have held that the universe is about 13.8 billion years old ...
A recent study provides answers to three seemingly disparate yet pressing cosmic dawn puzzles. Specifically, the authors show ...
Star clusters are collections of thousands to millions of stars bound together by gravity — and many can be observed in the night sky with binoculars or a small telescope. One notable example is ω ...
Cosmic reionization is a significant phase in the history of the universe, marking the transition of hydrogen from a neutral to an ionized state. This process is believed to have occurred between ...
Bradac, Maruša, Treu, Tommaso, Applegate, Douglas, Gonzalez, Anthony H., Clowe, Douglas, Forman, William R., Jones, Christine, Marshall, Phil, Schneider, Peter, and ...