When a wolf pack runs down its prey, the first on the scene is often the raven. Even before the predators have had time to dig in, the ravens are already in line, waiting to take advantage of the odd ...

When a wolf pack runs down its prey, the first on the scene is often the raven. Even before the predators have had time to dig in, the ravens are ...

Many of the most damaging invasions do not simply subtract species; they fundamentally remodel the environment, altering habitats, rewiring interactions, and shifting processes in ways that species ...

Invasive alien species don’t only drive out other native species, they also dramatically transform soils, water and ecosystems. A new assessment tool aims to pinpoint the negative environmental ...

The Amazon molly reproduces without sex. A genomic copy-and-paste trick called gene conversion may explain how it avoids evolutionary meltdown.