It's the last clearly observed supernova in the Milky Way, Gassel said.

The blast may have been a kilonova — a type of neutron star merger — in the wake of a more traditional supernova.

Observing the Universe often means contemplating phenomena that occurred millions of years ago. But sometimes, the opportunity arises to capture a cosmic event almost in real-time, as if we were ...

Astronomers have released a rare time-lapse video showing the violent expansion of a dead star over two decades. The footage ...

This artist’s impression shows a star going supernova. About 22 million light-years away the supernova, SN 2024ggi, exploded in the galaxy NGC 3621. Using the ESO’s Very Large Telescope, astronomers ...