AAS Nova
@aasnova.org
Highlighting recent astronomy research from the American Astronomical Society's journals. Editors: Kerry Hensley & Susanna Kohler. Discover what's new in the universe at aasnova.org. Header image: https://bit.ly/4mFaQc
Selections from 2025: What did JWST see when it examined TRAPPIST-1e, a nearby habitable-zone exoplanet orbiting a cool red star? aasnova.org/2025/12/26/s... 🔭🧪
Selections from 2025: JWST Searches for an Atmosphere on TRAPPIST-1e
What did JWST see when it examined TRAPPIST-1e, a nearby habitable-zone exoplanet orbiting a cool red star?
aasnova.org
December 26, 2025 at 5:04 PM
Selections from 2025: What did JWST see when it examined TRAPPIST-1e, a nearby habitable-zone exoplanet orbiting a cool red star? aasnova.org/2025/12/26/s... 🔭🧪
Selections from 2025: Researchers discovered a record-breaking giant nine-ringed galaxy that provides critical insight into galaxy formation and evolution. aasnova.org/2025/12/23/s... 🔭🧪
Selections from 2025: The Nine-Ringed Bullseye Galaxy
Researchers discovered a record-breaking giant nine-ringed galaxy that provides critical insight into galaxy formation and evolution.
aasnova.org
December 23, 2025 at 5:38 PM
Selections from 2025: Researchers discovered a record-breaking giant nine-ringed galaxy that provides critical insight into galaxy formation and evolution. aasnova.org/2025/12/23/s... 🔭🧪
Selections from 2025: Researchers used an airborne telescope to find out more about the origins of massive stars in our galaxy. aasnova.org/2025/12/22/s... 🔭🧪
Selections from 2025: The Formation of Massive Stars
Researchers used an airborne telescope to find out more about the origins of massive stars in our galaxy.
aasnova.org
December 22, 2025 at 5:20 PM
Selections from 2025: Researchers used an airborne telescope to find out more about the origins of massive stars in our galaxy. aasnova.org/2025/12/22/s... 🔭🧪
Selections from 2025: With immense amounts of data headed our way from ground-based facilities like the Vera C. Rubin Observatory, new methods are needed to rapidly and effectively process high-resolution images. aasnova.org/2025/12/19/s... 🔭🧪
Selections from 2025: A New Way to Combine Ground-Based Images
With immense amounts of data headed our way from ground-based facilities like the Vera C. Rubin Observatory, new methods are needed to rapidly and effectively process high-resolution images.
aasnova.org
December 19, 2025 at 5:18 PM
Selections from 2025: With immense amounts of data headed our way from ground-based facilities like the Vera C. Rubin Observatory, new methods are needed to rapidly and effectively process high-resolution images. aasnova.org/2025/12/19/s... 🔭🧪
Selections from 2025: During the exceptionally deep solar minimum of 2008, researchers thought the Sun might be entering a prolonged period of low solar activity — but the Sun had other plans. aasnova.org/2025/12/18/s... 🔭🧪
Selections from 2025: The Sun Changed Course in 2008
During the exceptionally deep solar minimum of 2008, researchers thought the Sun might be entering a prolonged period of low solar activity — but the Sun had other plans.
aasnova.org
December 18, 2025 at 5:14 PM
Selections from 2025: During the exceptionally deep solar minimum of 2008, researchers thought the Sun might be entering a prolonged period of low solar activity — but the Sun had other plans. aasnova.org/2025/12/18/s... 🔭🧪
Selections from 2025: FRB 20240209A is the only known repeating fast radio burst to come from a quiescent galaxy. aasnova.org/2025/12/17/s... 🔭🧪
Selections from 2025: A Repeating Fast Radio Burst in a Quiescent Galaxy
The repeating fast radio burst source FRB 20240209A is the only known repeating burst to come from a quiescent galaxy.
aasnova.org
December 17, 2025 at 5:08 PM
Selections from 2025: FRB 20240209A is the only known repeating fast radio burst to come from a quiescent galaxy. aasnova.org/2025/12/17/s... 🔭🧪
SN 2023ixf is the closest supernova in a decade. Did researchers detect gravitational waves from the explosion? aasnova.org/2025/12/16/s... 🔭🧪 @ligo.org
Selections from 2025: A Search for Gravitational Waves from SN 2023ixf
SN 2023ixf is the closest supernova in a decade. Did researchers detect gravitational waves from the explosion?
aasnova.org
December 16, 2025 at 6:01 PM
SN 2023ixf is the closest supernova in a decade. Did researchers detect gravitational waves from the explosion? aasnova.org/2025/12/16/s... 🔭🧪 @ligo.org
The third interstellar object to enter our solar system, 3I/ATLAS, is without a doubt one of the most fascinating astronomical discoveries of this year. aasnova.org/2025/12/15/s... 🔭🧪
Selections from 2025: Hubble Observes 3I/ATLAS
The third interstellar object to enter our solar system, 3I/ATLAS, is without a doubt one of the most fascinating astronomical discoveries of this year.
aasnova.org
December 15, 2025 at 6:12 PM
The third interstellar object to enter our solar system, 3I/ATLAS, is without a doubt one of the most fascinating astronomical discoveries of this year. aasnova.org/2025/12/15/s... 🔭🧪
A recent study with JWST has unveiled how a reionization-era quasar has suppressed star formation in its galactic neighbors. 🧪🔭 aasnova.org/2025/12/12/i...
December 12, 2025 at 5:07 PM
A recent study with JWST has unveiled how a reionization-era quasar has suppressed star formation in its galactic neighbors. 🧪🔭 aasnova.org/2025/12/12/i...
Could one-off and repeating fast radio bursts both arise from magnetars? Researchers examine the possibility. aasnova.org/2025/12/10/a... 🔭🧪
A Unified Explanation for Fast Radio Bursts
Researchers examine the possibility that one-off and repeating fast radio bursts could both arise from magnetars.
aasnova.org
December 10, 2025 at 9:26 PM
Could one-off and repeating fast radio bursts both arise from magnetars? Researchers examine the possibility. aasnova.org/2025/12/10/a... 🔭🧪
Joe Williams reports for @astrobites.bsky.social on the Fomalhaut debris disk, which is well studied but may contain a hidden planet we haven’t seen yet. aasnova.org/2025/12/09/m... 🔭
Michelangelo in Space: A Planet Carving the Fomalhaut Debris Disk?
Astrobites reports on the Fomalhaut debris disk, which is well studied but may contain a hidden planet we haven’t seen yet.
aasnova.org
December 9, 2025 at 5:51 PM
Joe Williams reports for @astrobites.bsky.social on the Fomalhaut debris disk, which is well studied but may contain a hidden planet we haven’t seen yet. aasnova.org/2025/12/09/m... 🔭
An ongoing survey aims to detect bursts of radio emission associated with flares and coronal mass ejections from young Sun-like stars. aasnova.org/2025/12/08/f... 🔭🧪
Featured Image: Studying the Space Weather of Young Suns
An ongoing survey aims to detect bursts of radio emission associated with flares and coronal mass ejections from young Sun-like stars.
aasnova.org
December 8, 2025 at 6:51 PM
An ongoing survey aims to detect bursts of radio emission associated with flares and coronal mass ejections from young Sun-like stars. aasnova.org/2025/12/08/f... 🔭🧪
AT2024wpp is the most powerful fast blue optical transient spotted so far. What do extensive X-ray and radio observations tell us about this event? aasnova.org/2025/12/05/i... 🔭🧪
Investigating the Most Luminous Known Fast Blue Optical Transient
AT2024wpp is the most powerful fast blue optical transient spotted so far. What do extensive X-ray and radio observations tell us about this event?
aasnova.org
December 5, 2025 at 5:07 PM
AT2024wpp is the most powerful fast blue optical transient spotted so far. What do extensive X-ray and radio observations tell us about this event? aasnova.org/2025/12/05/i... 🔭🧪
Researchers show how preferential accretion in a merging pair of supermassive black holes can explain the unexpectedly large amplitude of the gravitational wave background. aasnova.org/2025/12/03/b... 🔭🧪
Boosting the Gravitational Wave Background
Researchers show how preferential accretion in a merging pair of supermassive black holes can explain the unexpectedly large amplitude of the gravitational wave background.
aasnova.org
December 3, 2025 at 5:07 PM
Researchers show how preferential accretion in a merging pair of supermassive black holes can explain the unexpectedly large amplitude of the gravitational wave background. aasnova.org/2025/12/03/b... 🔭🧪
Ryan White reports for @astrobites.bsky.social on simulations that explore whether a baby neutron star repeatedly diving into the envelope of its inflated companion star could be the cause of bumpy supernova light curves. aasnova.org/2025/12/02/b... 🔭
Bumpy Road Ahead: Can Binary Interactions Make Supernovae Periodically Brighter?
Astrobites reports on simulations that explore whether a baby neutron star repeatedly diving into the envelope of its inflated companion star could be the cause of bumpy supernova light curves.
aasnova.org
December 2, 2025 at 5:12 PM
Ryan White reports for @astrobites.bsky.social on simulations that explore whether a baby neutron star repeatedly diving into the envelope of its inflated companion star could be the cause of bumpy supernova light curves. aasnova.org/2025/12/02/b... 🔭
Researchers have investigated how solar flares might signal that they’re about to occur and whether they’ll be accompanied by an explosion of plasma. aasnova.org/2025/12/01/h... 🔭🧪
How Solar Flares Hint That They’re About to Happen
Researchers have investigated how solar flares might signal that they're about to occur and whether they'll be accompanied by an explosion of plasma.
aasnova.org
December 1, 2025 at 5:25 PM
Researchers have investigated how solar flares might signal that they’re about to occur and whether they’ll be accompanied by an explosion of plasma. aasnova.org/2025/12/01/h... 🔭🧪
@catieslaughts.bsky.social reports for @astrobites.bsky.social on efforts to understand how the variability of certain variable stars changes over time. 🧪🔭
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.
aasnova.org
November 26, 2025 at 5:09 PM
@catieslaughts.bsky.social reports for @astrobites.bsky.social on efforts to understand how the variability of certain variable stars changes over time. 🧪🔭
What can ultraviolet observations from Hubble tell us about the identity of Betelgeuse’s likely companion star? 🧪🔭
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?
aasnova.org
November 26, 2025 at 5:07 PM
What can ultraviolet observations from Hubble tell us about the identity of Betelgeuse’s likely companion star? 🧪🔭
JWST discovered a distant galaxy with too much nitrogen, which has led to evidence of the universe's first stars. 🧪🔭 aasnova.org/2025/11/21/t...
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.
aasnova.org
November 21, 2025 at 5:01 PM
JWST discovered a distant galaxy with too much nitrogen, which has led to evidence of the universe's first stars. 🧪🔭 aasnova.org/2025/11/21/t...
New research suggests that triplet stars might be able to evolve into every observable type of stellar-mass black hole system. aasnova.org/2025/11/19/b... 🔭🧪
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.
aasnova.org
November 19, 2025 at 5:38 PM
New research suggests that triplet stars might be able to evolve into every observable type of stellar-mass black hole system. aasnova.org/2025/11/19/b... 🔭🧪
Brandon Pries reports for @astrobites.bsky.social on how X-rays influenced the formation of the first massive black holes in the universe. aasnova.org/2025/11/17/d... 🔭
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.
aasnova.org
November 17, 2025 at 5:24 PM
Brandon Pries reports for @astrobites.bsky.social on how X-rays influenced the formation of the first massive black holes in the universe. aasnova.org/2025/11/17/d... 🔭
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. aasnova.org/2025/11/14/t... 🔭🧪
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.
aasnova.org
November 14, 2025 at 5:40 PM
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. aasnova.org/2025/11/14/t... 🔭🧪
Veronika Dornan reports for @astrobites.bsky.social on the discovery of the faintest galaxy in the Andromeda system, Pegasus VII. aasnova.org/2025/11/12/d... 🔭
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.
aasnova.org
November 12, 2025 at 5:49 PM
Veronika Dornan reports for @astrobites.bsky.social on the discovery of the faintest galaxy in the Andromeda system, Pegasus VII. aasnova.org/2025/11/12/d... 🔭
Recent research shows how fractal properties can help distinguish between grand-design and flocculent spiral galaxies. aasnova.org/2025/11/10/f... 🔭🧪
Featured Image: Fractals and Flocculence
Recent research shows how fractal properties can help distinguish between grand-design and flocculent spiral galaxies.
aasnova.org
November 10, 2025 at 5:24 PM
Recent research shows how fractal properties can help distinguish between grand-design and flocculent spiral galaxies. aasnova.org/2025/11/10/f... 🔭🧪
When supernovae explode, they send a fast-moving shock wave into the interstellar medium, changing the local landscape significantly. A recent publication hones in on one supernova remnant to determine how fast it's expanding and where it may have come from. 🧪🔭
Chandra Spies a Supernova Shock Front Speeding Along
When supernovae explode, they send a fast-moving shock wave into the interstellar medium, changing the local landscape significantly. A recent publication hones in on one supernova remnant to determin...
aasnova.org
November 7, 2025 at 5:18 PM
When supernovae explode, they send a fast-moving shock wave into the interstellar medium, changing the local landscape significantly. A recent publication hones in on one supernova remnant to determine how fast it's expanding and where it may have come from. 🧪🔭