The plague came from Egypt: Myth or reality?

Many reports from antiquity about outbreaks of plague mention Egypt as the source of pestilences that reached the Mediterranean. But was this really the case? Researchers from the University of Basel are conducting a critical ...

Famed Halley's comet passes aphelion this weekend

It's lonely out there in the frozen outer solar system. On Saturday, December 9th, that most famous of all comets 1P/Halley reaches a hallmark point on its 75-year journey through the solar system, reaching aphelion or its ...

Communicating with a relativistic spacecraft gets pretty weird

Someday, in the not-too-distant future, humans may send robotic probes to explore nearby star systems. These robot explorers will likely take the form of lightsails and wafercraft (a la Breakthrough Starshot) that will rely ...

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