Many methods are still being explored. Scientists make key breakthrough in fight to protect food supply — here's what's ...

Figure 1. Overview of sampling design, isolate diversity, and genomic reconstruction of urban E. coli isolates. A research ...

To our immune system, a potentially lifesaving gene therapy can look a lot like a dangerous infection. That's because most ...

A NASA scientist proposes a bright comet observed around 5 BC might explain the Star of Bethlehem. Detailed Chinese sky ...