Researchers recently discovered that the sea lamprey, a modern representative of ancient jawless vertebrates, fights invading pathogens by generating up to 100 trillion unique receptors. These ...

As it turns out, the spineless and the brave stand up to adversity the same way. A key protein involved in animals’ physiological responses to stress has carried out the same function since before any ...

Those of you who took high school biology may remember the lancelet, also known as the amphioxus. Its simplified body plan is notable for containing a number of features that it shares in common with ...

A stunningly preserved, soft-bodied fish that is more than 500 million years old could be the ancestor of almost all living vertebrates. Subscribe to read this story ad-free Get unlimited access to ad ...

This article was supported by readers like you. Our mission is to provide accurate, engaging news of science to the public. That mission has never been more important ...

The hostile, snow-capped tops of volcanoes in the Andes are home to the world's highest-dwelling vertebrates, new research confirms. The finding that small mammals live 22,000 feet (6,700 meters) ...

Why is Christian Science in our name? Our name is about honesty. The Monitor is owned by The First Church of Christ, Scientist, and we’ve always been transparent about that. The church publishes the ...