Gamma ray bursts
What is a gamma ray burst?
How do gamma-ray bursts occur in massive stars when they die?
Colliding dead stars create one of the biggest explosions ever seen
Huge stellar explosion forged some of the rarest elements in the Universe
Rare neutrinos seen coming from a black hole
A burst of cosmic neutrinos originated in a flaring blazar. The discovery could help solve the century old question of where cosmic rays come from.
Powerful gamma rays seen in distant galaxy
The light from a blazar could help find the density of the Universe’s photon fog