We asked Professor Paul Bracken, an expert in nuclear strategy, what’s behind the posturing and what test explosions would mean for the world.

Energy Secretary Chris Wright said the testing ordered up in a surprise announcement by President Trump last week would focus ...

The nuclear weapons testing ordered by U.S. President Donald Trump will not involve nuclear explosions at this time, Energy Secretary Chris Wright said on Sunday.

Swift observations with the European Southern Observatory's Very Large Telescope (ESO's VLT) have revealed the explosive ...

Energy Secretary Chris Wright says President Donald Trump's call for immediate resumption of nuclear weapons tests will not include explosions.

President Donald Trump announced he is ordering the U.S. to resume nuclear testing, leaving experts wondering what this would entail and how it would be implemented.

President Donald Trump's calls to ramp up nuclear weapons testing have put nuclear watchdogs on alert while experts say the ...

Energy Secretary Chris Wright says that new tests of the U.S. nuclear weapons system ordered up by President Donald Trump will not include nuclear explosions ...