Plenty of asteroids can survive their fiery plunge through the Earth’s atmosphere. If they’re big enough, they can prove incredibly destructive, like the 60-foot Chelyabinsk meteor that exploded over ...

Within hours of the expiration last week of the final arms control treaty between Moscow and Washington, the State Department sent its top arms diplomat, Thomas G. DiNanno, to Geneva to lay out ...

In the lush, misty valleys of southwest China, satellite imagery reveals the country’s accelerating nuclear buildup, a force designed for a new age of superpower rivalry. One such valley is known as ...

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 ...

A special set of numbers has formed the backbone of nuclear physics research for decades, and now we finally know how it arises from the quantum mix of nuclear particles and forces. Nearly 80 years ...

Cooling towers for a nuclear reactor in Waynesboro, Georgia. (Mike Stewart/AP) As America’s energy demands grow exponentially, the country won’t be able to keep up without more nuclear power. For ...

WASHINGTON, Feb 17 (Reuters) - A senior U.S. official on Tuesday revealed what he said were new details of an underground nuclear test blast that China allegedly conducted in June 2020. Assistant ...

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 ...

U.S. military flies small nuclear reactor from California to Utah Microreactors seen as alternative to diesel generators in remote areas Disposal of nuclear waste remains unresolved, talks ongoing ...

HILL AIR FORCE BASE, Utah—The U.S. military airlifted a modern nuclear reactor on Sunday for the first time, part of President Trump’s push to deploy nuclear power across the United States. Three C-17 ...

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 ...

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 ...