Mating calls and rituals can be intercepted, or drowned out, by invasive species. Scientists are just starting to understand ...

For almost two decades, scientists have debated whether sponges or comb jellies are the first animal lineage. Now some are ...

The COVID-19 pandemic gave us tremendous perspective on how wildly symptoms and outcomes can vary between patients ...

A new study comparing 59 species of primates linked same-sex sexual behavior to scarce resources and more predators in ...