Highlights from AAS Nova: 9–29 November 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 three 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.

26 November 2025
The Times They Are A-Changin’: Searching for Shifts in Variable Star Light Curves
Astrobites reports on efforts to understand how the variability of certain variable stars changes over time.

24 November 2025
Hubble on the Hunt: A Spectroscopic Search for Betelbuddy
What can ultraviolet observations from Hubble tell us about the identity of Betelgeuse's likely companion star?

21 November 2025
Too Much Nitrogen Pops Open the Search for the Universe’s First Stars
JWST discovered a distant galaxy with too much nitrogen, which has led to evidence of the universe's first stars.

19 November 2025
Black Holes with a Shared Background
New research suggests that triplet stars might be able to evolve into every observable type of stellar-mass black hole system.

17 November 2025
Do X-Rays Help or Hurt Massive Black Hole Formation?
Astrobites reports on how X-rays influenced the formation of the first massive black holes in the universe.

14 November 2025
The Sun Left Home in a Hurry
By studying the orbits of rare outer solar system objects, astronomers have estimated how long it took for the Sun to leave its birth cluster.

12 November 2025
Do You Have This Andromeda Galaxy in Extra-Extra-Extra Small?
Astrobites reports on the discovery of the faintest galaxy in the Andromeda system, Pegasus VII.

10 November 2025
Featured Image: Fractals and Flocculence
Recent research shows how fractal properties can help distinguish between grand-design and flocculent spirals.

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