"This fundamentally changes how we think about the evolution of complex nervous systems," said biologist Jack Ullrich-Lüter.

From periods of rapid aging in our 40s and 60s to ancient brains that don’t decompose, here are some of the year’s most intriguing stories about human biology It can sometimes feel like health ...

The safety tests that the government says will no longer use animals by the end of this year include the practice of giving ...

The human body is a machine whose many parts – from the microscopic details of our cells to our limbs, eyes, liver and brain – have been assembled in fits and starts over the four billion years of our ...

The Food and Drug Administration and National Institutes of Health held a joint workshop July 7 on reducing animal testing in research, strikingly announcing that “NIH will no longer seek proposals ...

A New Hampshire man who lived with a gene-edited pig kidney for a record 271 days is resuming dialysis, doctors said Monday.

This oil painting by French artist Firmin Didot (1764-1836) depicts human-animal combat in ancient Rome. New evidence shows it likely occurred as far away as Roman Britain. Credit: Public Domain / ...

PARIS, May 23 (Reuters) - Vaccinating animals more widely could help stop the spread of deadly diseases, protect public health and keep global trade flowing, the head of the World Organisation for ...