For decades, the U.S. has led the race to clean, limitless nuclear fusion energy. Now China is catching up, spending twice as ...

Lithium-6 is essential for producing nuclear fusion fuel, but isolating it from the much more common isotope, lithium-7, usually requires liquid mercury, which is extremely toxic. Now, researchers ...

The Sunbird concept is for the fusion-powered ‘tugs’ to be permanently based in space, able to dock with spacecraft and ...

Nuclear fusion reactors, if and when they become practical, will need a steady supply of fuel. The source of that fuel is the ...

Scientists have been building nuclear weapons for more than 80 years, but crafting this technology remains a challenge.

There is the material for nuclear fission bombs and nuclear fusion bombs. – There is uranium throughout the Earth’s crust and the solar system formed from the same material. Missions to the moon and ...

Proxima Fusion’s Stellarator plant is being heralded as a milestone in what physicists have long touted as a holy grail for ...

Often called the holy grail of clean energy, nuclear fusion creates four ... The U.S. was first to large-scale use of fusion with a hydrogen bomb test in 1952. In the seven decades since ...