Nuclear microreactors developed separately by Westinghouse and Radiant are poised to become the first fueled designs tested ...

The 156-foot-long five-segment solid rocket motor produced upwards of 4 million pounds of thrust during the test.

A DARPA official said the agency canceled a space nuclear propulsion project it was jointly developing with NASA as it was ...

Scientists have proposed two experimental spacecraft that could reach one of the farthest known objects in the solar system ...

Seventy years ago, on September 17, 1955, a modified Convair B-36 departed Carswell Air Force Base in Texas. Legendary U.S.

US team develops scalable, safe nuclear fuel recycling using advanced tech to cut waste and boost energy recovery.

In the 1950s, the U.S. began focusing on nuclear propulsion as an effective way to power space exploration with projects ...

As we set our sights on crewed Mars missions, we're going to have to consider some next-level rocket engines. One idea with a ...

Israel is an ally of the United States, and the Trump administration is now considering possible military involvement. The issue at the center of this conflict — Iran’s ability to make a nuclear ...

European negotiators are welcoming US President Donald Trump’s announcement that he will make a decision on US military action in Iran within two weeks, telling CNN it offers “breathing space ...

Russia said the use of a tactical nuclear weapon by the U.S. in Iran would be "catastrophic" after a report that it had not been ruled out as an option for President Donald Trump, who is ...