Nuclear science isn't an easy thing, particularly building a working reactor, but there are a small handful of adolescents ...

A puzzle with a two-part theme.

There's an object so deadly that even standing next to it can kill you within minutes. It's also completely man-made and only ...

The executive order directed the Department of Energy to have three different reactor designs reach criticality in a bit over ...

Deep Fission’s new borehole reactor design, built by D&Z, aims to revolutionize clean energy with natural shielding.

Antares Nuclear Inc.'s Mark-0—a sodium heat-pipe-cooled microreactor fueled by high-assay low-enriched uranium (HALEU) ...

Antares Nuclear's Mark-0 reactor has completed a zero-power fuelled criticality demonstration, becoming the first reactor to ...

A milestone in nuclear energy was reached at Idaho National Laboratory, where a privately developed reactor design achieved ...

The official verdict warns a nuclear incident at the STEP fusion project in Nottinghamshire could lead to “contamination of ...

The Korea Superconducting Tokamak Advanced Research device, better known as KSTAR, sustained plasma at about 180 million ...

Helion Energy, a nuclear fusion startup backed by OpenAI’s Sam Altman, still has to prove it can produce electricity to serve data centers and other customers. But investors seem confident it can ...

Engineering firm Day & Zimmermann is to oversee pre-construction planning and perform above-ground construction for Deep Fission's Gravity reactor. Meanwhile, industrial-scale metal additive ...