The strategic missile was fired into the Pacific from a nuclear-powered submarine, state media reported, in the Chinese ...

Miami-based City Labs is launching the world's first commercial nuclear-powered spacecraft atop an upcoming SpaceX mission.

China’s firing of a submarine-launched missile came as Australia secured more defense deals with Pacific Island nations.

Emily Seyl's richly illustrated history of the Trinity Test reveals how the Manhattan Project transformed innovation—and ...

Scientists have built the first working nuclear clock, which uses the vibrations of atomic nuclei to keep time. Nuclear clocks have been sought after for more than two decades and could eventually ...

Why it matters: A privately built microreactor at Idaho National Laboratory has passed a key test, sustaining its own nuclear chain reaction and pushing a new generation of small reactors closer to ...

WASHINGTON (AP) — The Energy Department says a small nuclear reactor under development at a national lab has reached a crucial milestone that could allow it to produce electricity within a few years.

The first small modular nuclear reactor in the Trump administration’s pilot program to develop advanced nuclear energy has hit a crucial milestone toward deploying more nuclear power across the ...

Just over a year ago, the Trump Administration issued an executive order meant to accelerate the development of nuclear power in the US. While an entire startup ecosystem has developed around the use ...

IDAHO FALLS, Idaho (KIFI) — Following an afternoon briefing in the Oval Office where Energy Secretary Chris Wright promised a major announcement before the "sun goes down," the Department of Energy ...

VIENNA, June 4 (Reuters) - The U.N. nuclear watchdog sent a report to member states on Thursday with no major changes to its assessment of Iran's nuclear programme, despite three months of ...