Advanced light microscopy techniques have come into their own—and are giving scientists a new understanding of human biology and what goes wrong in disease.

Cranes, sandpipers, ducks, geese and many other waterbirds have lost essential rest stops along their seasonal migration routes. Bird-friendly agriculture can assist in filling the gaps.

New evidence suggests the universe might not behave as expected, raising questions about the costs of being wrong.

The saguaro cactus has evolved to endure dry days and high temperatures, but even this resilient plant struggles to cope with the effects of climate change.

A toxic fungus from King Tutankhamun’s tomb yields cancer-fighting compounds.

And how we may have finally found some.

Playing up the threat of the communist incursions, the Shah of Iran gained more and more support—financial and political—from the United States.

What took so long?

Computer simulations reveal the unlikely birth of a world-changing technology nearly 6,000 years ago.

For millennia, Indigenous peoples in North America derived sustenance from the juneberry, known also as the misâskwatômin, serviceberry, shadbush, or saskatoon.