Highlights from AAS Nova: 2–15 March 2025

AAS Nova provides brief highlights of recently published articles from the AAS journals, i.e., The Astronomical Journal (AJ), The Astrophysical Journal (ApJ), ApJ Letters, ApJ Supplements, The Planetary Science Journal, and Research Notes of the AAS. The website's intent is to gain broader exposure for AAS authors and to provide astronomy researchers and enthusiasts with summaries of recent, interesting research across a wide range of astronomical fields.

The following are the AAS Nova highlights from the past two weeks; follow the links to read more, or visit AAS Nova for more posts. You can also sign up to receive emails each time a new post is published.

14 March 2025
Featured Image: A Ribbon Around the Heliosphere
When mapping energetic atoms from the edge of our solar system, the Interstellar Boundary Explorer discovered an unexpected ribbon-like feature that researchers are still working to understand.

12 March 2025
Them’s the (Balmer) Breaks
Astrobites reports on what might be powering the strange, puzzling young galaxies known as little red dots.

11 March 2025
Confirmed at Last: Barnard's Star Hosts Four Tiny Planets
Following decades of disproven claims, four small exoplanets have been confirmed to orbit Barnard's Star, the second-closest star system after Alpha Centauri.

10 March 2025
Astronomers Measure Turnover in Initial Mass Function for the First Time
When a gas cloud collapses to form a star cluster, how many objects form, and what are their masses? New research provides answers about the low-mass end of the star and brown dwarf formation process.

7 March 2025
Observational Obstacles to Detecting Early Universe Supermassive Black Holes
Recent JWST observations have stirred up concerns about over-massive black holes in the early universe. A new study allays these concerns while showing that over-massive black holes are just scratching the surface of the full black hole population.

5 March 2025
Baby Galaxies Love to Take 100-Million-Year Naps
Astrobites reports on the star-forming histories of early galaxies and galaxies that form their stars in bursts interspersed with lulls.

4 March 2025
AAS Publishing News: A New AASTeX Has Dropped!
Are you considering submitting a paper to an AAS journal? There's a new tool available now to help you prepare your manuscript.

3 March 2025
Between a Nova and a Supernova: The Case of AT 2019abn
What caused this strange red transient that's too bright to be a nova and too faint to be a typical supernova?

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