Tag Archive for 'Core-collapse supernova'

The superluminous supernova SN 2017egm was discovered by ESA’s Gaia mission on May 23, 2017; it exploded in a massive barred spiral galaxy known as NGC 3191, shown on the left before the eruption; the image at right, taken on July 1, 2017, shows the supernova outshining the entire galaxy. Image credit: SDSS / PS1 / NOT+ALFSOC / Bose et al.

Fermi Identifies Hidden Engine behind Superluminous Supernovae

May 20, 2026 by News Staff

New gamma-ray observations from NASA’s Fermi Space Telescope suggest ultra-magnetic neutron stars called magnetars could be fueling superluminous supernovae,...

Artist’s impression of Zeta Puppis, an O-type star approximately 1,400 light-years away in the constellation Puppis. Image credit: Tahina Ramiaramanantsoa.

Nearby Supernova Explosions May Have Caused Several Mass Extinctions on Earth

Mar 13, 2025 by News Staff

According to new research from Keele University and the Universidad de Alicante, near-Earth explosions of giant O- and B-type stars occur at a rate of...

A multiply imaged supernova in the archival Hubble imaging of the Abell 370 galaxy-cluster field. Image credit: Chen et al., doi: 10.1038/s41586-022-05252-5.

Hubble Observes Early Phases of Supernova in Early Universe

Nov 9, 2022 by Enrico de Lazaro

The newly-discovered core-collapse supernova, or Type II supernova, seen at a lookback time of approximately 11.5 billion years, is strongly lensed by...