President Donald Trump has called for an expansive, next-generation missile defense shield for the mainland United States, ...

The release caps a big week that also saw the OpenAI making announcements related to U.S. government work.

Fitness experts recommend mini steppers as a useful tool for people who spend a lot of time sitting and want to move more ...

A team of scientists has made the first experimental measurements of laser-induced motions of miniature lightsails in the lab.

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