Talk of replacing the American nuclear umbrella over Europe with the small British and French nuclear armories is in the air, however vague and fanciful. By Steven Erlanger Reporting from Berlin ...

Nuclear physics is the study of the protons and neutrons at the centre of an atom and the interactions that hold them together in a space just a few femtometres (10-15 metres) across. Example ...

Russia has been accused of plotting arson attacks in two European countries. Earlier, Donald Trump said he'll speak to Vladimir Putin on Tuesday as he pushes to end the war in Ukraine. The Kremlin ...

One of the consequences of the boom in artificial intelligence is the need for more electricity. The data centers that house the computers that crunch the numbers gobble up a lot of power.