In the late 1950s, Project Orion proposed a spacecraft driven by rapid nuclear pulses, a pusher plate, and shock absorbers, with designs ranging from an eight crew ship to a city sized interstellar ...

As the cloud cleared, Air Force bombers dropped in to gather air samples. Researchers hoped that the radioactive fallout ...

TerraPower, a Bill Gates-backed nuclear company, announced a deal with Meta to build up to eight small modular reactors in ...

A nuclear thermal propulsion engine could cut the travel time in half for future space explorers racing to the Red Planet.

New reactors use novel materials and compact designs to make nuclear power safer and cheaper.

Jared Isaacman praises Trump's ambitious space policy including plans for a moon base and nuclear spaceships to reach Mars.

Commercial nuclear reactors all work pretty much the same way. Atoms of a radioactive material split, emitting neutrons.

A Bill Gates-backed nuclear reactor dubbed “Cowboy Chernobyl” by critics is nearing approval in Wyoming as regulators ...

Here’s a sobering thought. Such is the potency of North Korea’s nuclear weapons, and the population density of major East ...

The Space Age framed nuclear propulsion as a quiet rethinking of movement, distance, and endurance beyond Earth.

L3Harris Technologies is selling a 60% stake in its space propulsion business to AE Industrial Partners for $845 million, ...

The U.S. has said it does not believe Ukraine attempted to strike Putin's residence, and Kyiv called the Kremlin's claim a lie.