Gamma ray bursts
Colliding dead stars create one of the biggest explosions ever seen
Huge stellar explosion forged some of the rarest elements in the Universe
What is a gamma ray burst?
How do gamma-ray bursts occur in massive stars when they die?
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