For more than a century, Einstein’s relativity has set a hard speed limit for the universe, with light as the ultimate ...

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For the first time, a group of physicists is arguing that a warp drive is not just a mathematical curiosity but something that fits within the known laws of nature. Instead of relying on exotic ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." On one particular Friday night in 1992, Miguel Alcubierre couldn’t stop thinking about Star Trek. Every ...