A collaboration of US-based researchers has turned to the PROSPECT-I detector at ORNL in search of the elusive sterile ...

A British propulsion company is aiming to harness nuclear fusion and drastically cut travel times to far off places in space.

A nuclear fusion rocket could be the key to unlocking speedy flights in space exploration, and one company hopes to test it as early as 2027.

These bundles of fuel rods are about 12 to 16 feet long and about 5 to 8 inches in diameter. In a nuclear reactor, the ...

Traditional hydrogen bombs work through nuclear fusion, a process where atomic nuclei combine under intense pressure to ...

A US nuclear reactor has switched from Regular to Premium fuel with Southern Nuclear inserting four Lead Test Assemblies ...

Rochelle Toplensky used to run the WSJ Pro Sustainable Business team that covers environmental, social and governance issues.

“Nuclear” comes with a lot of baggage (not to knock fission, she says, which has gotten better and cleaner over time). At the most basic level, fission deals with splitting atoms, while fusion ...

British startup Pulsar Fusion has unveiled Sunbird, a space rocket concept designed to meet spacecraft in orbit, attach to them, and carry them to their destination at breakneck speed using nuclear ...

Nuclear fusion is different from nuclear fission, which is what powers current ... fusion reactors would use deuterium and tritium, heavy hydrogen atoms that have extra neutrons.