Ever since they were discovered in 2018, fast blue optical transients (FBOTs) have utterly surprised and completely confounded both observational and theoretical astrophysicists. So hot that they glow ...

Far from our solar system, brief explosions of electric-blue light are flaring in distant galaxies, outshining entire star systems for a few days before fading back into darkness. These events are so ...

Among the more puzzling cosmic phenomena discovered over the past few decades are brief and very bright flashes of blue and ultraviolet light that gradually fade away, leaving behind faint X-ray and ...