Something dramatic happened to a lot of very big animals between 20,000 and 10,000 years ago. During this time period, 34 major groups of large animals died-out. Among those that disappeared, were ten species that weighted more than a ton. Giant...

Leaf-cutting ants have the power to slice, dice, and pilfer the foliage of an entire grove of trees in a matter of days. With impressive efficiency, swarms of leaf-cutters clip and carry leafy material in vast quantities back to their subterrainean...

Yesterday, I wrote about some extinct scorpionflies that scientists think may have fed on the nectar of seed ferns, conifers, and other ancient plants. Now you can get a pretty good idea of what some of these primitive pollinators looked like in this...

A new study suggests that scorpionflies that lived during the Jurassic Period fed on the nectar-like juices of seed ferns, conifers, and other primitive plants. As the scorpionflies feasted on the sweet liquid from these plants, they may have also...

The natural world is characterized by many complex interactions and relationships between animals, plants, and their environment. Individual belong, in turn, to populations, species, communities, and ecosystems. Energy flows from one organism to...