Nuclear Power

Nuclear thermal propulsion (NTP) systems are powered by a process known as nuclear fission—the splitting of atoms.

The Dutch National Institute for Public Health and the Environment said the radioactive substances were man-made.

Researchers created a type of diamond that can generate a small electrical current when placed in close proximity to radioactive material. Could it be a new energy source?

The site was operational between 1954 and 1994 but is now in the process of being decommissioned.

State media called the operation a training exercise that demonstrated the country's ability to position nuclear arms close to the United States, according to Reuters.

The malfunction at the Kalinin plant northwest of Moscow is the second incident linked to Russia's nuclear grid in a week.

Enriched uranium is required to produce nuclear power, but at a higher level of enrichment it can also be used to build nuclear weapons.

The names of six U.S. companies planning to supply nuclear equipment to Saudi Arabia have been kept secret.

"When computer use is necessary, I order my employees or secretaries," Yoshitaka Sakurada said.

The crown prince has threatened to develop nuclear weapons if Iran is able to do the same.

The Akademik Lomonosov is on its way to the remote eastern region of Chukotka to provide electricity for 50,000 people.

Kilopower will be capable of producing enough power to run several average households continuously for 10 years.

The quake struck 60 miles from the Bushehr nuclear plant in the south of the country.

Nuclear fusion isn't very efficient without the incredibly hot temperatures found on the sun.

The new system will produce as much as 50 times more power as those that currently fuel spacecraft.

The agency hasn't tried building a nuclear fission reactor for space since the 1960s.

Trump gave Kim recognition for his weapons, a Russian senator has said.

If successful, the project would prove fusion power is feasible on a commercial scale—with the first fusion power plants expected by 2040.

This achievement transformed modern physics

The Japanese government mandates a limit of 40 years for nuclear reactors; the Tokai No. 2 has been running since 1978. Today marked the fourth time Japan Atomic Power Co. filed an application with the Nuclear Regulation Authority for an extension.

The Sibir weighs 33,500 tons, is more than 576 feet long and is fueled by two nuclear reactors, giving it the power to plow through icy Arctic terrain.

Russian hackers are suspected of being behind the penetration of several U.S. nuclear power plants, positioning themselves to potentially disrupt the nation's power supply.

Theresa May had held back on approving the previous prime minister's plan.

The allegation comes after Theresa May ordered a halt to a British nuclear plant deal.

Contracts were to be signed on Friday so the decision comes as a surprise.

It will be the U.K.'s first new nuclear power plant in more than 20 years.

In the 30 years since the world's worst nuclear disaster, Chernobyl has become a symbol of hubris and its toxic discontents.

Greenpeace tests show overall contamination from key isotopes has fallen somewhat, but lingers, especially in places such as forests.

A million people live within 20 miles of a nuclear reactor vulnerable to a tsunami. Officials brush off safety fears.

Actor and activist says that it's possible to halt some of the devastating effects of climate change