America's national security relies in part on the U.S. Navy's nuclear-powered submarines, which can operate more than 800 ...

The Schmidts' philanthropic research organization will build a 3-meter space telescope and fund three ground-based facilities.

Researchers at the California Academy of Sciences kept busy throughout 2025. Along with collaborators from across the globe, ...

A team of physicists has discovered a surprisingly simple way to build nuclear clocks using tiny amounts of rare thorium. By ...

Britain's Ministry of Defence says design work is already underway on new floating dry docks for the Royal Navy.

Project 677 diesel-electric submarines are designed to destroy enemy surface ships and vessels, conduct patrols, conduct reconnaissance, protect sea lanes, lay minefields, and perform other missions ...

Ukraine says underwater drone strike is historic first Russia denies attack caused any damage Attack hits Kilo-class, missile-carrying submarine Vessel was in Russia's Novorossiysk port in Black Sea ...

As it tried to demonstrate its continuing ability to fight, Ukraine said it had used drones to inflict serious damage on a Russian Kilo-class submarine at a Black Sea port. By Maria Varenikova ...

SEOUL/WASHINGTON/TOKYO, Dec 5 (Reuters) - South Korea's pursuit of nuclear-powered submarines is gaining traction following President Donald Trump's endorsement, ending decades of U.S. resistance in a ...

India will pay about $2 billion to lease a nuclear-powered submarine from Russia, according to people familiar with the matter, finalizing delivery of the vessel after roughly a decade of talks just ...

Of course, Trump overstated the advantages of nuclear-powered submarines over their conventionally powered brethren. Wise naval commanders pick the best tool for the job, and the best tool need not ...