Though uranium is highly associated with radioactivity, its rate of decay is so low that this element is actually not one of the more radioactive ones out there. Uranium-238 has a half-life of an ...

So, Henri reasons that the uranium is actually absorbing the sunlight and reemitting it as invisible rays which penetrate the black paper and expose the film. [Thunder rumbles] But the real ...

There’s always a little extra level of concern when a fire breaks out at a uranium production facility that served as the home for research and development for the atom bomb during the 1940s.

A highly coveted children's toy from the 1950s is going on sale—and it contains real uranium ... "Prospecting for Uranium", and a comic book called "Dagwood Splits the Atom".

As atom-smashing goes, the uranium bomb is a comparatively gentle affair. Fissioning the uranium atom is roughly comparable to cracking a ripe coconut in half with a well-placed tap: the atom ...

WSJ’s Dion Rabouin explains. Illustration: Adele Morgan ADELAIDE, Australia—Idle uranium mines are slowly coming back to life as countries rethink their energy security and shift away from coal.