How do you control a nuclear space propulsion system? Very carefully. To help with this, the Oak Ridge National Laboratory ...

North Korea has announced that leader Kim Jong Un supervised a test of a new rocket engine for intercontinental ballistic ...

VIENNA – The world is approaching a new record for the longest period without a nuclear test, Comprehensive Nuclear-Test-Ban ...

Amid rising tensions between NATO and Russia, Moscow and Belarus are holding military exercises starting on Friday that ...

Spacecraft have used a plutonium isotope to stay afloat for decades, but another isotope could last even longer.

The B-21, built by Northrop Grumman, is the world’s first sixth-generation aircraft and will be capable of carrying both ...

The Holy See’s representative noted that since the first nuclear test, conducted on July 16, 1945, in the New Mexico desert, more than 2,000 nuclear tests have been carried out.

The UNGA marked the International Day against Nuclear Tests, with officials urging a ban on nuclear explosions. Leaders ...

Oak Ridge National Laboratory develops a test bed to simulate space nuclear reactors for future Mars missions.

SEOUL, South Korea SEOUL, South Korea -- North Korea announced Saturday it will suspend nuclear tests and intercontinental ballistic missile launches ahead of its summits with Seoul and Washington, ...

When the U.S. military detonated the world's first nuclear weapon near New Mexico’s Jornada del Muerto desert in 1945, people living in the nearby areas were exposed to harmful radiation. Weeks later, ...