Some octopuses that lived over 72 million years ago were as long as whales. These huge predators may have been the largest ...

There are millions of different types of living things on Earth. In order to keep track of them all, scientists put living things into groups based on characteristics that they have that are the same.

Federal regulations mandate the minimization of both pain and distress in laboratory animals. That no clear definition exists for 'distress' complicates its recognition, quantification, and ...

The natural world doesn’t always fit neatly into our defined boundaries, says Will Newton ...

Explore 25 biology facts the future will forget as science evolves. From DNA's 'blueprint' to mitochondria's 'powerhouse,' discover how our understanding o ...

Explore differences between common and scientific names, and how DNA evidence is constantly reshaping the tree of life.

(1) IT is with pleasure that we welcome a new edition of Hutton and Drummond's “Animals of New Zealand.” This is a well-written and well-illustrated account of a most interesting fauna, indispensable ...

Fossil jaws from finned octopuses challenge the longstanding belief that the apex oceanic predators of the Cretaceous were ...

The ancient cephalopod, Nanaimoteuthis haggarti, appears to have been an apex predator that rivaled mosasaurs to rule ...

Hagfish and lampreys form the clade cyclostomes, the earliest branching lineage of the vertebrates. Although hagfish are generally assumed to have experienced intense modifications, its brain ...

Flinders University researchers have taken a revealing look inside the head of one of the first animals to crawl from the ...

A sweeping genetic study of over 150 species reveals that life’s move from water to land was not a single story, but a series ...