This spider is the most feared in the United States. Learn how to identify it and what to do in case of a bite.
A new scientific finding has confirmed that you should keep your cats inside, for the sake of their health and that of the environment.
UCSC scientists may have found the origin of introns, solving one of the longest-standing genomic mysteries of molecular biology.
Experts found a fossil of an ant from 35 million years ago in perfect condition: it was in a museum collection, and they didn't even know it.