The OpenAI leader and SoftBank, who are leading the mammoth Stargate effort, have poured hundreds of millions into Helion.

Arizona's three largest electric utilities will jointly explore expanded nuclear-power options. A new plant here could be ...

Astronauts on China's Tiangong space station successfully produce oxygen and rocket fuel using artificial photosynthesis, ...

Whoopi Goldberg has entered the chat. During the Feb. 4 episode of “The View,” the talk show host slammed a Fox News guest ...