An explosive flash of blue light briefly appeared in intergalactic space, thousands of light-years from the nearest galaxy.
Hubble Telescope sees a bright 'snowball' of stars in the Milky Way's neighbor (image)
Hubble Pinpoints Doomed Star that Explodes as Supernova
Hubble Unexpectedly Finds Double Quasar in Distant Universe
News Releases
Hubble telescope detects most distant star ever seen, near cosmic dawn - The Washington Post
Hubble Telescope Witnessed Intergalactic Flash of Light - Sky & Telescope - Sky & Telescope
Rare cosmic event caused bright flash in the sky in February
Hubble Space Telescope Detects Protective Shield Defending a Pair of Dwarf Galaxies
Most powerful gamma-ray burst ever seen spotted by astronomers
Hubble Space Telescope 2019 - eoPortal