Australia's SpIRIT nanosatellite is the first space telescope funded by the Australian Space Agency to carry a scientific ...

It's a celestial event that has astronomers both excited and puzzled. Dan Smith has the story of how a gamma-ray burst across ...

A kilonova formed by colliding neutron stars releases gamma ray bursts powerful enough to vaporize atmospheres within a ...

Scientists may have finally uncovered the mystery behind ultra-high-energy cosmic rays — the most powerful particles known in ...

Gamma-ray bursts (GRBs) are the most energetic and luminous explosions in the universe. However, they are fleeting and often ...

Could black holes help explain the origins of high-energy cosmic radiation? The universe is filled with many forms of ...

Gamma-ray bursts are usually caused by the death of a giant star, but they're typically singular events. This one is unlike any other in 50 years of gamma-ray burst (GRB) observations, according to ...

Some things we see in space appear to outpace light. Now we are learning to harness these bizarre optical illusions to ...

(CNN) — Astronomers are trying to understand what caused a series of gamma ray bursts, or GRBs — the most powerful explosions in the universe. These energetic bursts are typically unleashed by the ...