DNA from ancient and present-day members of Picuris Pueblo confirm oral histories linking the tribe to the famed Chaco Canyon ...

An ambitious plan to stop the global threat of AIDS has been derailed. But many are hopeful that progress can be salvaged.

As funding dries up, US universities will need to reconsider traditional tenure requirements. To receive tenure, US ...

The US administration should clear up the confusion over the future of a widely admired AIDS fund and push for Congress to ...

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Neonatal antibiotic exposure was found to negatively impact vaccine responses, probably mediated by decreased Bifidobacterium ...

The month’s sharpest science shots, selected by Nature ’s photo team.

If scaled up, a method for extracting nickel without using carbon-rich coke could reduce emissions considerably.