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Back for Seconds: Evidence of Two Bursts of Star Formation in an Ultra-Faint Dwarf Galaxy
Reticulum II? More like Reticulum TWO distinct periods of star formation! Or at least that’s what new spectroscopic observations incdicate.
The Oldest Starlight
What if some of JWST’s most extreme high-redshift galaxy candidates aren’t galaxies at all, but the explosive deaths of the very first stars?
Global Calm, Local Chaos: How AGN-Driven Cosmic Rays Reshape Galaxies from the Inside
Massive galaxies all seem to end up quiet and quenched—but the physics inside them can look wildly different. This story explores how AGN-driven cosmic rays reshape galaxies from the inside out, changing local conditions without altering their ultimate fate.
It’s a bird! It’s a plane! It’s a neutrino observatory calibration source!
Title: Radio emission from airplanes as observed with RNO-G Authors: The RNO-G Collaboration S. Agarwal, J. A. Aguilar, N. Alden, S. Ali, P. Allison, M. Betts, D. Besson, A. Bishop, O. Botner, S. Bouma, S. Buitink, R. Camphyn, J. Chan, S. Chiche, B. A. Clark, A. Coleman, K. Couberly, S. de Kockere, K. D. de Vries, C. Deaconu, P. Giri, C. Glaser, T. Glüsenkamp, H. Gui, A. Hallgren, S. Hallmann, J. C. Hanson, K. Helbing, B. Hendricks, J. Henrichs, N. Heyer, C. Hornhuber, E. Huesca Santiago, K. Hughes, A. Jaitly, T. Karg, A. Karle, J. L. Kelley, J. Kimo, C. Kopper, M. Korntheuer, M. Kowalski, I. Kravchenko, R. Krebs, M. Kugelmeier, R. Lahmann, C.-H. Liu, M. J. Marsee, Z. S. Meyers, K. Mulrey, M. Muzio, A. Nelles, A. Novikov, A. Nozdrina, E. Oberla, B. Oeyen, N. Punsuebsay, L. Pyras, M. Ravn, A. Rifaie, D. Ryckbosch, O. Schlemper, F. Schlüter, O. Scholten, D. Seckel, M. F. H. Seikh, J. Stachurska, J. Stoffels, S. Toscano, D. Tosi, J. Tutt, D. J. Van Den Broeck, N. van Eijndhoven, A. G. Vieregg, A. Vijai, C. Welling, D. R. Williams, P. Windischhofer, S. Wissel, R. Young, A. Zink First Author’s Institution: Erlangen Centre for Astroparticle Physics (ECAP), Friedrich-Alexander-University Erlangen-Nürnberg; Deutsches Elektronen-Synchrotron DESY Status: Published in the Journal of Instrumentation [open access] Neutrinos: Long-Distance Travelers If, in the middle of an intercontinental flight, you’ve ever looked out your window over, say, Greenland and wondered how this trip still isn’t over…just remember that your long-distance travels have nothing on the neutrino’s. This particle only very rarely interacts with other matter, so it can travel far across…
I Survived a Type Ia, and All I Got Was This Kick Velocity
Some type Ia supernovae involve a companion star that somehow survives the energetic explosion. What can we learn from these companions?
Low, Low, and Lower: A Binary Ultracool Dwarf System is Detected at 340 MHz
The lowest mass stars have been well-studied across the mid and high frequency radio bands. However, lower frequencies can reveal larger-scale magnetic structures and may even be the key to the first direct radio detection of an exoplanet. Learn about the first detection of a low-mass ultracool dwarf–one or both stars in a binary system–at the low frequency of 340 MHz!
Beyond astro-ph
Astronomy beyond the research
Meet the AAS 247 Keynote Speakers: Xavier Siemens
Today we interview Prof Xavier Siemens, Professor at Oregon State University. He and his colleague, Maura McLaughlin, will accept the Bruno Rossi Prize on behalf of the NANOGrav Collaboration at #AAS247.
Meet the AAS Keynote Speakers: Dr Maura McLaughlin
Today we interview Dr. Maura McLaughlin, who is a professor at West Virginia
University and one of this year’s #AAS247 Plenary speakers!
Meet the AAS Keynote Speakers: Dr Maya Fishbach
Today we interview Dr. Maya Fishbach, assistant professor at the Canadian Institute for Theoretical Astrophysics (CITA), University of Toronto, winner of the 2025 Annie Jump Cannon Award and a plenary speaker at #AAS247
Navigating careers in astronomy
Career advice
The First Semester as Faculty: Interview with Professor Jiayin Dong
I sat down with the newest astronomy professor at UIUC to ask about her first semester as a faculty member and how she made the transition to a permanent position.
#BlackInAstro Experiences: Logan White
As part of Black Space Week 2025, we interview incoming graduate student Logan White!
Meet the AAS Keynote Speakers: Dr Meredith Hughes
Today, we interview Dr Meredith Hughes, associate professor of astronomy at Wesleyan University
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