Matter-antimatter annihilations produce about 10 billion times more energy per unit mass than chemical combustion (which powers most operational spacecraft propulsion systems) and about 300 times more ...

Ever since Anthropic CEO Dario Amodei left OpenAI in December 2020, the two startups have found themselves at loggerheads.

Explore the mysteries of our universe in this video covering the search for extraterrestrial life, the nature of dark matter, and the potential existence of a hidden ninth planet in our solar system, ...

The Knicks will need to be on their A-game to close out the NBA Finals with their first title in 53 years. And they will need some luck, including from ...

President Trump hosts a news conference with Elon Musk, who is departing his special government employee role leading the ...