Get up to speed on gamma rays, the radiation responsible for creating the Red Hulk in Captain America: Brave New World.

Undersea detectors anchored deep in the Mediterranean Sea found an ultra-high-energy neutrino, a particle that opens a new window onto the cosmos.

Although still under construction, the sea-floor KM3NeT detector spotted a neutrino 20 times more powerful than any ...

A newly detected cosmic explosion, EP240408a, could be the result of a white dwarf's death, creating a high-speed jet. It ...

A mysterious cosmic explosion, EP240408A, detected in 2023, may reveal a new black hole phenomenon. Scientists are ...

The event is designated EP240408a, as it was first detected by the Einstein Probe, an X-ray space telescope, on 8 April 2024.

Evgeny Velikhov's many accomplishments in reducing the threat from nuclear weapons—during and after the Cold War—are ...

Watch the evolution of a jet formed by a collapsing star ("collapsar") in these simulations courtesy of Ore ...

The most luminous kilonova candidate to date (short gamma-ray burst 200522A) was detected using the Hubble Space Telescope, Swift Observatory and other telescopes. A kilonova is a "the afterglow ...

New research indicates that matter ejected during the supernova death of a star can fall back to neutrons stars, giving rise to mysterious "low-field magnetars." ...

Astronomers are trying to understand a mysterious cosmic explosion that the Einstein Probe spacecraft spotted in April last year.

The new era of nuclear power generation greater than the force of the Sun has arrived and is ready for deployment. For the first-time ever, a sustained synthetic quasar has been born on Earth to perma ...