Researchers at the Department of Energy's Oak Ridge National Laboratory are breathing new life into the scientific ...

The quickest way to recognize how rad Earth is, is to leave it. Every time we send a spacecraft into space, we have to send it with everything it will ever need riding on its back or in its belly.

Voyages into space are among the most iconic endeavors of the 20th and 21st centuries. Spacecraft that have ventured out to this “final frontier” have relayed stunning images and enlightening ...

WASHINGTON — NASA is facing the prospect of trying to explore deep space without the aid of the long-lasting nuclear batteries it has relied upon for decades to send spacecraft to destinations where ...

The US government says a new robot is poised to help it create a reliable, long-term supply chain of plutonium-238, a radioactive material NASA requires to explore deep space. NASA uses Pu-238 to ...

WASHINGTON — For planetary scientists and astrophysicists hoping to re-establish domestic production of plutonium-238 (Pu-238) in an effort to power future U.S. deep space missions, 2011 could be ...

A shortage of the particular type of plutonium needed to power deep space probes may stall planned NASA space exploration. Some scientists insist that the U. S. must urgently restart production of ...

NASA is giving scientists more choices for how to power their future spacecraft to explore the Solar System. Researchers proposing spacecraft ideas for NASA’s Discovery program — an initiative to ...

Radioactive materials have enormous potential as a source of energy, but some isotopes are available in such small quantities that their use as an energy source is limited. In the 1950s, scientists at ...

It appears that the U.S.'s plutonium-238 shortage is coming an end. The radioisotope is crucial for fueling long-term deep space missions, but as of 2017, a shortage was on the horizon. But ...

The Energy Department is moving to resume production of plutonium-238 as an energy source for spacecraft and some national security activities, because existing supplies will be virtually gone in five ...