Researcher focuses on quantifying isotopes for national security

Nuclear materials can produce vast amounts of energy. This unique attribute can be harnessed through reactors to provide a reliable, low-carbon electricity source. It can also be used to make weapons. ORNL's Nuclear Nonproliferation ...

China lunar probe returns to Earth with samples

A Chinese probe carrying samples from the far side of the moon returned to Earth on Tuesday, capping a technically complex 53-day mission heralded as a world first.

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