The interstellar comet 3I/ATLAS is leaving our solar system for good. Here's what to know about its journey and NASA's observations.
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Does physics really rule out interstellar travel?
Physics sets unforgiving limits on how fast anything can move, yet the same laws also leave surprising room for creative ways to cross the gulf between stars. The real question is not whether the ...
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Scientists reveal how humanity could travel insanely fast through deep space
A cluster of recent theoretical papers has laid out mathematical frameworks for propelling spacecraft at speeds ranging from ...
"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Here’s what you’ll learn in this story: Atomic clocks will only see a loss of 1 second in accuracy over a ...
The Alpha Centauri star system is just 4.2465 light-years away – a relative hop, skip, and a jump in a galaxy 100,000 light-years across. Wouldn't it be great to visit? Not just with a fleet of ...
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