Studies suggest benefits as well as harms from digital companion apps — but scientists worry about long-term dependency.

Team scoops US$60,000 prize for identifying a Greek work on vices from scans of a 2,000-year-old papyrus charred by volcanic ...

Bringing together proponents of rival theories to test their ideas against each other can advance science — but only if all ...

There’s no mystery to innovation and economic growth; the US must nurture its scientists or find out the hard way.