Researchers lay out first genetic history of Rome

Scholars have been studying Rome for hundreds of years, but it still holds some secrets—for instance, relatively little is known about the ancestral origins of the city's denizens. Now, an international team led by researchers ...

Food, predators, and people influence giraffe social behavior

The behavior of giraffe groups with calves is influenced more strongly by the risk of predators than is the behavior of all-adult groups, which is mostly determined by the availability of food. An international team of researchers ...

NASA's Webb Telescope shines with American ingenuity

To send humans to the Moon 50 years ago, an entire nation rose to the challenge. Surmounting countless hurdles, inventing new technologies while staring into the face of the unknown, NASA successfully pioneered multiple lunar ...

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