Moss quietly collects DNA from animals, plants, and microbes, offering a simple way to track biodiversity without harming ...

Decades-old air samples once collected for military surveillance have turned out to be an accidental time capsule of climate ...

Scientists used decades old air filters to read DNA in dust, revealing a long decline in biodiversity across northern Sweden.

Contamination and other errors in DNA analysis have occurred at the Washington State Patrol crime labs, most of it the result of sloppy work. The most common problems are cross-contamination by ...