President Donald Trump on Thursday called for U.S. nuclear experts to begin work on what he described as a "new, improved, and modernized Treaty," arguing that the United States should move away from ...

When the US briefly stopped sharing battlefield intelligence with Ukraine in March 2025, the results were immediate. Kyiv’s forces suffered decisive setbacks on the battlefield as its European allies ...

“Buying uranium is suspiciously easy. It shows up in a UPS truck,” says Staff Sheehan, CEO and founder of Project Omega. “You can Google it.” He’s not speaking hypothetically. He’s explaining how his ...

What new nuclear technologies mean for safety, costs, and more. Nuclear power continues to be one of the hottest topics in energy today, and in our recent online Roundtables discussion about ...

WASHINGTON—The Trump administration on Friday alleged that China has conducted nuclear tests with low explosive power, challenging Beijing’s claims that it has upheld an international agreement that ...

The last treaty between the U.S. and Russia that limited the number of deployable nuclear weapons expired on Thursday, marking the end of decades of arms control agreements between the two countries ...

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 ...

Yogi Berra quipped, “The future ain’t what it used to be.” Like many of Berra’s aphorisms, this one rings particularly true for nuclear energy. In a few years, we have gone from seeing well-run ...

The Trump administration is making moves to loosen the environmental rules for nuclear energy. Earlier this month, the Energy Department published an exclusion to environmental reviews for the ...

U.S. and Iranian representatives met in Oman on Friday for talks over the fate of Tehran’s nuclear program, the first such negotiations between the two sides since U.S. strikes on Iranian nuclear ...

Beijing, Moscow and shaken American allies are seeking new warheads as President Trump ends more than a half century of nuclear arms control with Russia. President Trump meeting with President ...

In January 2025, WSJ went inside Three Mile Island to learn more about the delicate process of rebooting a nuclear power plant. Photo Illustration: Alexandra Larkin A nuclear-power startup said it has ...