Fusion technologies are rapidly moving up the performance curve as world records tumble. The road to commercialisation is ...

Negotiations between Iran and the United States over Tehran’s rapidly advancing nuclear program will return Saturday to the ...

Secretary of State Marco Rubio says Iran must give up all nuclear enrichment if it wants to make a deal during talks with the ...

That the talks are even happening represents a historic moment, given the decades of enmity between the two countries.

Russia is prepared to resume talks on nuclear arms control with the US, two years after suspending the last accord limiting ...

Scientists have built the first-ever thorium reactor. Thorium is both more easily accessible and less dangerous than ...

Iran and the United States plan to meet over Tehran’s rapidly advancing nuclear program again next week, after both sides ...

The two countries will begin having experts meet to discuss details of a possible deal over Tehran's rapidly advancing ...

A second round of high-level talks between US and Iranian delegations on Tehran’s nuclear program has concluded in Rome on Saturday, amid tempered optimism about a diplomatic way forward.

Smoke rises above Hiroshima, Japan, after the first atomic bomb was dropped in this Aug. 6, 1945, photo.(AP Photo, File) (AP Photo) Japan has a full nuclear fuel cycle , including a uranium ...