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Nuclear

Latest in Nuclear

Nuclear

The last giant magnet for the world’s biggest fusion reactor has reached France

By Everett Sloane

Nuclear

A California startup says it built a nuclear battery that turns radiation straight into electricity and keeps running for years without a single charge

By Everett Sloane

Nuclear

A fingertip-sized fuel pellet holds about as much energy as a ton of coal

By Everett Sloane

Nuclear

A US Navy supercarrier runs on two nuclear reactors and can sail over 20 years without refueling

By Everett Sloane

Nuclear

For the first time, US operators are racing to bring two shuttered nuclear plants back online, targeting 2026 and 2027 restarts

By Everett Sloane

Nuclear

Two mothballed US nuclear plants, Palisades and Three Mile Island, are racing to restart their reactors in 2026 and 2027 — the first comebacks of their kind

By Everett Sloane

Nuclear

A startup just brought America’s first privately built nuclear reactor to criticality in Idaho, clearing it to start making power by 2027

By Everett Sloane

Nuclear

The Energy Department is pushing to bring at least three privately built reactors to criticality outside its national labs by July 4

By Everett Sloane

Nuclear

A US Nimitz-class carrier runs on two nuclear reactors and can sail more than 20 years without refueling

By Everett Sloane

Nuclear

A fingertip-sized uranium pellet holds about as much energy as a ton of coal

By Everett Sloane

Nuclear

Meta is powering a new Ohio AI campus with 16 small Oklo reactors, each rated 75 megawatts, stacking up to a 1.2-gigawatt nuclear-fed data center

By Everett Sloane

Nuclear

China’s Linglong One is set to start commercial operation in the first half of 2026, becoming the world’s first onshore small modular reactor to go live

By Everett Sloane

Nuclear

TAE Technologies’ Norman device hit hydrogen-boron fusion at commercially relevant energy ratios in January — a pathway with near-zero radioactive waste

By Everett Sloane

Nuclear

Commonwealth Fusion Systems installed the first of 18 magnets in its Sparc tokamak, the next-year demo unit aimed at burning-plasma physics

By Everett Sloane

Nuclear

The NRC’s proposed fusion framework regulates tritium handling and neutron-activation waste, skipping the emergency cooling rules fission reactors require

By Everett Sloane

Nuclear

China’s “artificial sun” pushed past a fusion density ceiling that physicists believed could not be crossed, holding plasma stable at extreme densities

By Everett Sloane

Nuclear

Germany’s Focused Energy raised $240 million to build a laser fusion plant on the grounds of the shuttered Biblis nuclear station

By Everett Sloane

Nuclear

The DOE just selected TVA and Holtec for $800 million in SMR awards — federal cash flowing to the first two American utilities racing to deploy commercial small reactors

By Everett Sloane

Nuclear

The NRC just approved NuScale’s uprated 77-megawatt small modular reactor design — only the second SMR ever cleared in the United States and the most powerful per module

By Everett Sloane

Nuclear

The Pentagon just signed an $77 million contract with L3Harris to sustain testing of Trident II D5 submarine-launched nuclear missiles — the backbone of U.S. sea-based deterrence

By Everett Sloane

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