Solar panels are next to useless in the outer solar system, so NASA’s Voyager probes rely on nuclear batteries—technology ...

How do we power missions in the outer reaches of our solar system and beyond? The solution, developed in the '60s, can last ...

Becquerel hypothesised that uranium salts, when exposed to sunlight ... The discovery soon revealed that radioactive elements decay at predictable rates, forming the basis for radiometric dating.

Iran's stock of uranium close to weapons-grade has jumped since it announced a dramatic acceleration in enrichment in December and there has been no progress on resolving outstanding issues ...

Majid Asgaripour/Mehr News Agency via AP, File A worker rides a bicycle in front of the reactor building of the Bushehr nuclear power plant, just outside the southern city of Bushehr, Iran, Oct ...

The International Atomic Energy Agency (IAEA) said Iran is taking steps to accelerate its near weapons-grade uranium in a broader effort to expand its capability for nuclear warfare, according to ...

VIENNA (AP) — Iran has accelerated its production of near weapons-grade uranium as tensions between Tehran and Washington rise after the election of U.S. President Donald Trump, a report by the ...

VIENNA—Iran has sharply increased its stockpile of highly enriched uranium in recent weeks, according to a confidential United Nations report, as Tehran amasses a critical raw material for ...

According to the report, Iran has actually increased its uranium stockpile by 92.5 kilograms (202 pounds). The IAEA estimates that close to 42 kilograms (92.6 pounds) of uranium enriched to 60 ...