Some of the universe's most extreme explosions leave behind almost no trace. The original explosion is unseen, but our observations can capture the long-lived echo it leaves behind as the shock front ...

A new map offers a new perspective on the city, revealing the steady, ever-present natural radiation emerging from the ground ...

Deep in the cosmos, an enigmatic object emits gamma rays at energies more than 100 TeV, an intensity far beyond what we typically observe. Discovered in 2021 by the Large High Altitude Air Shower ...

But one of the most radiation-resistant organisms ever discovered doesn't come from anywhere radioactive at all. An archaeon ...

It wasn’t long after Dr Laura Manenti landed in Sydney that she realised her new home was rather radioactive.

Spanish astronomers have conducted a near-infrared study of an ultra-high energy gamma-ray source designated LHAASO ...