News

PBS Space Time

Did JWST Discover Dark Matter Stars?

PBS Spacetime on Katherine Freese's work on Dark Stars: Discovered in James Webb Space Telescope?

Texas Standard

Have scientists found the first dark stars?

Using data and images gathered by the James Webb Space Telescope, a team of astrophysicists, including Katherine Freese, has found several objects that appear to...

Scientific American

JWST Might Have Spotted the First Dark Matter Stars

Stars fueled by the self-annihilation of dark matter might have been spotted for the first time by JWST

Reuters

Webb telescope captures tantalizing evidence for mysterious 'dark stars'

"They're big puffy beasts," said Katherine Freese, a theoretical astrophysicist at the University of Texas at Austin and senior author of the research published in...

These three objects were identified by the James Webb Space Telescope Advanced Deep Extragalactic Survey (JADES) in December 2022. They initially were identified as galaxies that existed early in the universe’s history, but some scientists suspect they are ”dark stars,” theoretical objects much bigger and brighter than our su

American Scientist

How did the universe light up?

The universe exists on scales of time and distance that lie entirely outside the range of human experience. It is dominated by two substances—dark matter...

NASA / ESA / CSA / A. Pagan (STScI) & R. Jansen (ASU); Science: R. Jansen, J. Summers, R. O'Brien, R. Windhorst (ASU) / A. Robotham (ICRAR / UWA) / A. Koekemoer (STScI) / C. Willmer (UofA) / the PEARLS team

Research

James Webb Telescope Catches Glimpse of Possible First-Ever ‘Dark Stars’

Stars powered with dark matter still need proving but could reveal clues about the nature of one of the universe’s great mysteries.

Three blurry red dots stand out in the blackness of space

PNAS

Supermassive Dark Star candidates seen by JWST

Katherine Freese published her inaugural article for the Proceedings of the National Academy of Sciences

Research

Scientists use Exotic Stars to Tune into Hum from Cosmic Symphony

A team of astrophysicists has found evidence for gravitational waves that oscillate with periods of years to decades.

An illustration depicts colliding black holes causing waves in spacetime

ScienceNews

A star cluster in the Milky Way appears to be as old as the universe

One way around that tension is to accept a different age for the universe, says cosmologist and study coauthor Mike Boylan-Kolchin of the University of...

ESA/HUBBLE, NASA, GILLES CHAPDELAINE

Announcements

Gabriele Montefalcone Awarded Summer Graduate Fellowship

Physics graduate student Gabriele Montefalcone received the 2023 Weinberg Institute/TCCAP Graduate Fellowship.

A young man in a white t-shirt is shown in a graphic circle