The president freely deploys phrases from the history books, but many scholars warn he misrepresents the country’s past.
Alexandra Bell is bringing more than a decade of experience in nuclear policy to the organization that sets the Doomsday ...
When NASA launched a spacecraft to an asteroid, scientists patiently waited for their chance to look at bits of the space ...
From Isaac Asimov's Three Laws of Robotics to bipedal machines you can buy today, here are 12 important milestones in the development of robots.
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