Astronomers discover dozens of new luminous quasars
Cutout images of 18 newly discovered quasars that lie within the SDSS footprint but are not included in the SDSS...
Astro
Rapid-response protocol promises to reveal supernovae only hours after they explode
Artistic elaboration based on images from the original paper. Credit: Galbany et al., JCAP, 2025. Supernovae appear to our eyes—and...
Parker Solar Probe confirms decades-old theoretical models about magnetic reconnection
An SwRI-led study of the sun confirms decades-old theoretical models about solar magnetic reconnection. Measurements from NASA's Solar Parker Probe...
Ten-Year Lease Extension Confirmed at Herstmonceux Observatory – Astronomy Now
By Ian Whitely, chair of the Save Herstmonceux Observatory campaign Since the September issue of Astronomy Now went to press,...
Why did Cosmic Noon galaxies emit so many cosmic rays?
The background image is the COSMOS field observed with the South African MeerKAT radio array. An artistic illustration of the...
Hubble examines low brightness, high interest galaxy
This NASA/ESA Hubble Space Telescope image features a portion of the spiral galaxy NGC 45. Credit: ESA/Hubble & NASA, D....
How did Jupiter’s Galilean moons form? Scientists explore moon formation theories
A artist's picture of Ganymede's magnetosphere. Credit: NASA, ESA, and G. Bacon (STScI); Science Credit: NASA, ESA, and J. Saur...
Observations explore nature of massive ancient galaxy
SMILES-GS-191748: The observed combined spectrum (black), associated uncertainty (gray, along the bottom), and best-fit Prospector model spectrum (red). Credit: arXiv...
Dark star clusters or extreme dwarf galaxies? Astrophysicists revisit Ursa Major III’s true nature
Compilation of Local Group dGs (A. W. McConnachie 2012; version 2021 January), GCs (W. E. Harris 1996; version 2010 December),...
Researchers hunt for mysterious dark matter particle with clever new trick
Black hole galaxies emit energy and light, including gamma rays (γ) (left panel). If axions exist, some of the γ-rays...
