The next element, beryllium, is relatively rare in the universe because it is also not formed in the nuclear furnaces of stars. It takes a supernova, in which heavier nuclei disintegrate, to make this ...

The process of removing the used uranium-beryllium fuel from former nuclear submarine reactors at the Russian naval base Gremikha has concluded after more than a decade. (Image: Rosatom) The 11th and ...