Color and texture punctuate sound in Andy Thomas' mind. Thomas, a mixed-media artist living in Melbourne, Australia, doesn't actually have synesthesia, a condition in which one sense stimulates ...

Biologists report that they have recorded the loudest bird calls ever documented, made by dove-sized male white bellbirds as part of their mating rituals in the mountains of the northern Amazon.

Watching the first few minutes of “The Territory,” a new documentary set in the Amazon rainforest, is like listening to a symphony of deforestation. The film opens with the sound of an engine revving, ...