Supported by By Emily Anthes Emily Anthes is a science reporter who writes Pet Theory, a column about our creature companions ...

Animals, from worms and sponges to jellyfish and whales, contain anywhere from a few thousand to tens of trillions of nearly ...

Discover how Pennsylvania Farm Bureau President Chris Hoffman uses science, technology, and care to raise healthy livestock, ...

Researchers examine how the use of animal testing to identify endocrine-disrupting substances in the EU can be reduced.