1+ hour, 27+ min ago  (250+ words) AAS Nova The Bullet Cluster is best known for being considered a "smoking gun" for the existence of dark matter, but even a famous galaxy cluster like this one has its secrets For more than two decades, different measurements of…...

5+ day, 14+ hour ago  (383+ words) One of the biggest discoveries from JWST's tenure is a population of compact reddish objects nicknamed "little red dots." Numerous theories have been proposed to explain the small sizes, high luminosities, and characteristic "V"-shaped spectra of these objects, and…...

1+ week, 1+ hour ago  (359+ words) Editor's Note: Astrobites is a graduate-student-run organization that digests astrophysical literature for undergraduate students. As part of the partnership between the AAS and astrobites, we occasionally repost astrobites content here at AAS Nova. We hope you enjoy this post from…...

1+ week, 3+ day ago  (393+ words) Microlensing surveys have discovered plenty of regular exoplanets, but more surprisingly, they've also turned up many solo Neptunes with no star nearby. New research suggests that first impressions might be deceiving, however, and that at least some of these planets…...

1+ week, 4+ day ago  (456+ words) Fullerenes " a class of molecules composed entirely of interconnected carbon atoms " are the largest molecules definitively detected in space. Researchers using JWST to study a planetary nebula have found new spectral features from a fullerene composed of 60 carbon atoms, offering…...

2+ week, 3+ day ago  (486+ words) Editor's Note: This week we're at the 248th AAS meeting in Pasadena, CA. Along with a team of authors from Astrobites, we will be writing updates on selected events at the meeting and posting each day. Follow along here or at…...

2+ week, 5+ day ago  (514+ words) Editor's Note: This week we're at the 248th AAS meeting in Pasadena, CA. Along with a team of authors from Astrobites, we will be writing updates on selected events at the meeting and posting each day. Follow along here or at…...

3+ week, 1+ hour ago  (523+ words) This week, AAS Nova and Astrobites are attending the American Astronomical Society (AAS) summer meeting in Pasadena, CA. In addition to the usual press conferences, the AAS Press team has collaborated with Los Angeles's own Griffith Observatory to arrange a…...

3+ week, 3+ day ago  (214+ words) AAS Nova Editors Kerry Hensley and Susanna Kohler, AAS Media Fellow Lexi Gault, Astrobites Media Intern Niloofar Sharei, and the rest of the Astrobites team will also be available periodically at the Astrobites booth in the Exhibit Hall. We look…...

3+ week, 5+ day ago  (215+ words) Zooming through the galaxy faster than they should, hypervelocity stars are a curious population of stars whose origins are often difficult to determine. A recent study presents the first evidence of an old, low-mass hypervelocity star launched from the Milky…...