The X-shaped building in southwestern China could help China pull ahead in the race to master a futuristic clean energy ...

But one of the first things on the list was to learn whether it was possible to create and control a nuclear chain reaction at all. The Project decided to consolidate this effort in one location.

U.S. officials pointed to Cosmos 2553, revealing their concern that the satellite is conducting tests that could lead to a ...

Two sources further tell me that this is a space-based nuclear weapons threat. Top line: it appears that Russia is in the process of deploying (via multiple recent satellite launches), or is ...

Nuclear physics is the study ... interactions that hold them together in a space just a few femtometres (10-15 metres) across. Example nuclear reactions include radioactive decay, fission, the ...

NASA is working on a nuclear electric propulsion system that would involve robotically assembling a space radiator the size of a football field out in the void. The project has moved beyond the ...

UNITED NATIONS--The United States and Japan are sponsoring a U.N. Security Council resolution calling on all nations not to deploy or develop nuclear weapons in space, the U.S. ambassador ...