SN 2024aecx and the host galaxy NGC 3521. Credit: arXiv (2025). DOI: 10.48550/arxiv.2505.19831 Astronomers from the Yunnan University in China and other institutions have carried out photometric and ...
Astronomers at UC Berkeley have discovered the companion star of Supernova 1993J, confirming the first Type IIb binary star system using NASA’s Hubble Space Telescope. Campus astronomy professor Alex ...