supernova

Rubin Observatory captures 500,000 galaxies, then helps spot rare supernova

The Vera C. Rubin Observatory has released a sweeping image of the COSMOS field containing more than half a million galaxies and over 50,000 stars, marking its first science-grade data release from the LSST Camera. Within days of the release,…

Astronomers capture a dying star’s first flash of light in a rare supernova detection

An international team of astronomers has captured one of the rarest events in the cosmos — the first flash of light from a dying star — in only the second confirmed detection of its kind in two decades. Separately, new…

Scientists find first binary star system where both stars went supernova

Astronomers have identified what they believe is the first known binary star system in which both stars ended their lives in supernova explosions, each leaving behind a distinct cloud of glowing debris still visible thousands of years later. The discovery,…

NASA’s Chandra spots possible supernova remnant near Milky Way’s black hole

Astronomers using NASA's Chandra X-ray Observatory may have identified a new supernova remnant in one of the most crowded and extreme environments in the Milky Way — the region surrounding the galaxy's central supermassive black hole. The findings, published in…