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 ...

The universe is full of different types of radiation and particles that can be observed on Earth, including photons in the ...

The most energetic cosmic neutrino, or "ghost particle," ever recorded may be the remnants of a nearby black hole explosion.

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

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

Watch the evolution of a jet formed by a collapsing star ("collapsar") in these simulations courtesy of Ore Gottlieb/Northwestern University. The wobble of the jets may be the source of mysterious ...