The composition of the universe—the elements that are the building blocks for every bit of matter—is ever-changing and ever-evolving, thanks to the lives and deaths of stars.
In findings published today in The Astrophysical Journal, University of Texas at Austin astronomers report that they have stumbled on an extraordinary galaxy that may corroborate a recently contested theory about dark matter.
For the first time, a powerful "wind" of molecules has been detected in a galaxy located 12 billion light-years away. Probing a time when the universe was less than 10 percent of its current age, University of Texas at Austin ...
Astronomers have identified some of the earliest galaxies in the Universe.
University of California astronomers, including three from UCLA, have resolved a mystery about the early universe and its first galaxies.
Fresh insight into how stars are formed is challenging scientists' understanding of the Universe.