Teeth are one of nature’s most useful tools, helping animals bite, tear, and grind their food. Mammals, reptiles, and even some amphibians rely on them daily, but birds are the exception. Modern birds ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A study of a bizarre prehistoric bird's fossilized remains has ...

For paleontologists who study animals that lived long ago, fossilized remains tell only part of the story of an animal’s life. While a well-preserved skeleton can provide hints at what an ancient ...

For paleontologists who study animals that lived long ago, fossilized remains tell only part of the story of an animal's life. While a well-preserved skeleton can provide hints at what an ancient ...