Plutonium discovered at the bottom of the ocean was found to be refuse from a kilonova that exploded close to Earth 10 ...

Emmanuel Lidden from Australia took it as a real challenge: he wanted to collect all the elements of the periodic table. But ...

On this day in 1940, the element plutonium was first isolated by researchers at the University of California, Berkeley. Here’s a quiz on it.

But one Australian man had a much riskier hobby—collecting elements from the periodic table, including radioactive ones.

Lidden pleaded guilty to offences under Australia's nuclear non-proliferation act that carry a possible 10-year jail sentence ...

The transplutonium actinides are highly radioactive and rare, making them difficult to study. To examine their chemical ...

Prosecuting lawyers are pushing for a “science nerd” to receive a custodial sentence for importing plutonium and uranium -- ...