South Korean President Yoon Suk Yeol says North Korea’s recent disclosure of a nuclear facility was likely an attempt to grab ...

The Supreme Court's new term begins Monday with a handful of important cases set to be heard and the possibility that the ...

NASA plans to send crewed missions to Mars over the next decade—but the 140 million-mile (225 million-kilometer) journey to ...

A plan to place American-made reactors on a picturesque coastline has broad support in Poland — and in Washington — but the ...

Tech giants are increasingly eyeing nuclear reactors to power their energy-hungry data centers. Amazon and Microsoft each ...

Former Defense Secretary Mark Esper weighed in on Israel’s likely response to a barrage of missiles launched by Tehran ...

Voters in Kazakhstan will decide on Sunday whether to allow construction of a nuclear power plant amid worries over the ...

NASA plans to send crewed missions to Mars over the next decade – but the 140 million-mile (225 million-kilometer) journey to ...

The former president said Israel should "hit the nuclear first" in its response to an Iranian missile attack earlier in ...

Russia "will not hesitate" to resume nuclear weapons testing if similar steps are taken by the United States, according to ...

Three cases all stem from the U.S. Court of Appeals for the Fifth Circuit, in New Orleans, which often finds itself to the ...

North Korean leader Kim Jong Un threatened to use nuclear weapons to destroy South Korea if attacked, state media reported ...