Time-lapse imaging shows the immune cells transferring chemical signals during pigment pattern formation in developing zebrafish.

Immune cells called macrophages shuttle cellular messages in the skin.

Plant pests are evolving to outsmart common herbicides, costing farmers crops and money.

For the first time researchers have demonstrated the molecular tango that gives rise to repeating patterns in developing animal embryos.

Zebras may have evolved their striped coat to avoid blood-sucking flies.

The evolution of bold warning coloration in mammals.