Birds are defined as vertebrates – animals with backbones – that have feathers and wings. They don’t have to fly to be considered a bird, but they all have wings. Reptiles are a separate group.

You can categorize every single living being. This classification system allows scientists to study plant and animal diversity and to group closely related species. From horses to insects to worms, ...

1 chart shows how much protein is in 20 different kinds of food per serving, from salmon and steak to tofu and beans. ... Animal-based proteins include meat, fish, dairy, and eggs.

Animal magic: Asteroids and meteoroids may only be classified in terms of a fixed range of animal sizes, but giraffes are excluded. (Courtesy: iStock/naeblys) A new system for classifying the sizes of ...

In Iceland, a small toy dating to the Viking Age was uncovered by archaeologists. It is one of over 100 similar gaming pieces that have been found during excavation.

This public stand against animal testing is a part of the EPA's commitment to the Frank R. Lautenberg Chemical Safety for the 21st Century Act, which amended the Toxic Substances Control Act (TSCA).

The University of Wyoming has been gifted a large collection of animal mounts to be used for display and research purposes within UW’s Museum of Vertebrates. A gift of Robert V. “Bob” and Michelle ...

There has not been much change in the UK Games Chart since last week, with Animal Crossing: New Horizons managing to keep the top spot. Grand Theft Auto V has remained in second place in the retail c ...