Ye olde pathogen: Learning about evolution from ancient DNA

As long as humans have been around, there have been pathogens to make us sick. Some have achieved infamy in human history—the bubonic plague, for example, or smallpox—and with modern technologies, scientists can time-travel ...

Oldest case of a rare genetic condition discovered

A group of international researchers has uncovered evidence of a super rare genetic condition that gives men an extra X chromosome, reporting the oldest clinical case of Klinefelter syndrome to date.

Do ancient coins record the supernova of 1054?

SN 1054 was one of the most spectacular astronomical events of all time. The supernova explosion eventually formed what is today known as the M1—the Crab Nebula. But in 1054 AD, the year it occurred, it was an ultrabright ...

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