Supernova
Astronomers have recorded the first direct evidence of a magnetar forming during a superluminous supernova. The discovery came from observations of SN 2024afav, which exploded roughly one billion light-years from Earth.
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A superluminous supernova nicknamed SN Winny, located 10 billion light-years away, appears in the sky five times due to gravitational lensing by two foreground galaxies. Researchers from the Technical University of Munich and other institutions have analyzed this rare event to measure the universe's expansion rate, known as the Hubble constant. The discovery could help resolve the ongoing Hubble tension between different measurement methods.
March 17, 2026 12:09