Mushrooms of the genus Mycena not only live off of dead trees and plants, but also young, healthy trees and plants.

Researchers may have solved the mystery of how caterpillars got their chubby abdominal "prolegs."

An experiment in the wake of Hurricane Harvey shows how species can evolve instantly when they move in response to a climate catastrophe.

Jellyfish can learn at a much more complex level than ever imagined, despite only having one thousand nerve cells and no centralized brain.

Researchers are investigating microbial eukaryotic life in extreme environments, like Lassen National Park's geothermal lake.

Natural selection is usually understood in the context of change, but new findings suggest that natural selection also has the power to keep things the same.

Bees first evolved more than 120 million years ago and diversified faster and spread wider than previously thought.

A new study clarifies the relationship between temperatures and changes in the size of the body parts of animals.

Pinpointing when animals first appeared on Earth is like finding a needle in a very old, planet-sized haystack. A new study narrows the search.

Why did more animal species from Asia make the leap to Australia than vice versa? A new study may have some answers.