A military expert explained how Russia could target most of the world with its nuclear weapons as Vladimir Putin changes the ...

A newly declassified document has named Washington, DC as the first US city to be destroyed in a nuclear war - and a viral ...

Nuclear fusion has yet to become a practical energy source, despite its promise of abundant, clean power with minimal waste.

The vast computational power of the El Capitan supercomputer at Lawrence Livermore National Laboratory in California will be ...

The White House's Christmas tree is slated to be cut and transported from a North Carolina farm on Wednesday. Cartner's ...