Vladimir Putin has been preparing to test a new nuclear-armed cruise missile ahead of his meeting with Donald Trump in Alaska ...

Satellite images suggest Putin is preparing to test an ‘invincible’ nuclear missile – as he enters crunch talks with Trump on ...

Nuclear energy is clean, and gaining in popularity. Constellation Energy has agreements with Microsoft and Meta Platforms. 10 ...

It said the event posed ‘no risk to the public and did not result in any radiological impact to the environment’.

Satellite images show heightened activity at Russia’s nuclear test site on Novaya Zemlya, a remote archipelago in the Arctic ...

"This research — coupling both computation and experiments — is important to improve our confidence in waste disposal safety ...

The only permanent nuclear waste storage site in the country, the Waste Isolation Pilot Plant in Carlsbad, has federal ...

Oklo’s Aurora reactor is a small, fast-neutron reactor that generates between 15–75 megawatts, sufficient to supply power to ...

The high-stakes summit at the Anchorage Air Force base comes as the U.S. seeks a ceasefire in the Russia-Ukraine war.

The final pillar of a once-robust set of arms control treaties between the U.S. and Russia expires in six months.

LONDON/WASHINGTON — Russia is preparing to test its new nuclear-capable, nuclear-powered cruise missile and if successful, ...