Skyfall will fly on Space Reactor-1 Freedom, which will demonstrate "advanced nuclear electric propulsion in deep space." ...

Compact heat exchangers could enable advanced nuclear reactors that are smaller, more efficient and more affordable—but a ...

The U.S. Department of Energy is betting $40 million that scientists can shrink the danger window of spent nuclear fuel from tens of thousands of years to roughly 300, a timeline short enough for ...

The United States has taken a step toward a 21st-century renaissance in civilian nuclear power as the Nuclear Regulatory Commission (NRC) has given the go-ahead for TerraPower's Natrium Gen IV reactor ...

Advanced AI models appear willing to deploy nuclear weapons without the same reservations humans have when put into simulated geopolitical crises. Kenneth Payne at King’s College London set three ...

As major powers renew their focus on nuclear testing, the world may be entering a new nuclear era. Accusations that Beijing has conducted secret nuclear tests should trigger greater focus on China’s ...

The FCC Has an Opportunity to Prepare the Internet for AI The Self-Radicalization Canard Two Social Media Takes on the Strait of Hormuz The Dinner That Sealed Ukraine’s Fate After 52 Years, Democrats’ ...

The surge in demand for data centers and nuclear power to keep them running is stressing the global uranium supply, raising concerns about a potential shortage of fuel for reactors. World uranium ...

China is building out and redesigning sites connected to its nuclear weapons program, according to a new report, as the lapse of the world's last treaty limiting nuclear weapons has fueled fears of a ...

On February 6, the United States Undersecretary for Arms Control and International Security Thomas DiNanno accused China of conducting nuclear weapons tests that achieved supercritical yields, ...

Russia will continue to observe the limits set under the recently-expired New START nuclear arms reduction treaty if the United States does the same, Russian Foreign Minister Sergey Lavrov said ...

The U.S. faced two very different nuclear challenges across two continents Friday. For the first time since last year’s war with Iran, U.S. and Iranian diplomats restarted indirect talks over Tehran’s ...