Four ways of ending life remain or have become legal in the eyes of at least some of the United States, notes the aut ...

Because animals have a limited capability of understanding human language, they cannot “read” the way humans do.

A global catalog shows how creatures across the tree of life balance rigidity with flexibility in remarkably consistent ways ...

The new MiCO map helps scientists, conservationists, and policymakers quickly see global migration patterns for 109 species.

The white-handed gibbon comes closest to humans in the study, with a monogamy rate of 63.5%. It’s the only other top-ranked “monotocous” species, meaning it usually has one offspring per pregnancy, ...