The federal government wants to help utilities buy large components for up to 10 large nuclear reactors. It’s unclear which, ...

Oklo shares jumped Tuesday following news the company is in advanced talks with the Energy Department for a fuel program.

Most nuclear timelines slip. James Walker, CEO of Nano Nuclear Energy (NASDAQ:NNE), says his will not. He expects ...

The U.S. Department of Energy has conditionally committed up to $17.5 billion in loan ...

A new era of nuclear power is dawning in the US, with startups Antares, Aalo Atomics, and Valar Atomics achieving critical ...

The executive order directed the Department of Energy to have three different reactor designs reach criticality in a bit over a year. On Thursday, a startup called Antares announced that a test ...

Valar Atomics Inc., a Southern California-based startup, has reached a key milestone in its effort to develop small reactors ...

Weapons-grade plutonium can fuel nuclear reactors known as mixed oxide reactors, but none of these exist in the U.S.

Energy Secretary Chris Wright, center, and Under Secretary of Defense Michael Duffey, left, speak with Isaiah Taylor, CEO of Valar Atomics, in February 2026. AP Photo / Matthew Daly But those rules ...

Compact reactors designed for AI data centers, military bases and remote communities mark the first new U.S. reactor designs ...

With Tuesday's gains, Oklo shares are about flat for the year. Oklo stock climbed Tuesday after the company took a key step towards securing fuel for its nuclear reactors. Shares of the nuclear energy ...