Samples drilled by the Curiosity rover on Mars have revealed abundant signs of a carbon cycle that remained hidden from ...

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Ancient burials in Turkey Wengrow and colleagues have studied a series of skeletons found at the archaeological site of Başur Höyük on the Upper Tigris River in southeastern Turkey. Once part ...

The Vatican on Tuesday launched new pastoral care guidelines for the protection and promotion of human life to mark the 30th anniversary of St. John Paul II’s encyclical letter Evangelium Vitae.

And for good reason. We have an innate respect for human life in all its forms. We do not allow broad research on people who no longer have consciousness or, in some cases, never had it.

But life on Earth is never quite so straightforward ... What's more, according to their analysis of modern human DNA, one of these isolated populations left a stronger legacy in our genes than the ...