Rare supernova from 10 billion years ago may reveal the secret of dark energy
An exceptionally rare supernova that could open a new way to determine the expansion rate of the universe - finding a supernova located directly behind a gravitational lens is less than one in a million
Rare Supernova Defies Textbooks and Reveals Inner Layers of a Dying Star
Astronomers Find Rare Supernova That Could Rewrite Cosmic History
