Rats show kindness, orcas mourn their dead, and monkeys protest injustice. Scientists are learning that other species also have complex emotions. This is Ed. He’s a Canadian sphynx cat. He’s curious, ...

Animal-welfare science tries to get inside the minds of a huge range of species — in order to help improve their lives. Credit...Photo Illustration by Zachary Scott Supported by By Bill Wasik and ...

Transgenic organisms are living beings whose genetic material has been artificially modified by introducing genes from another species. This process, known as transgenesis, allows for the transfer of ...

The brain is an evolutionary marvel. By shifting the control of sensing and behavior to this central organ, animals (including us) are able to flexibly respond and flourish in unpredictable ...

In May 2020, Pratyusha Sharma was painstakingly parsing data to prepare for a meeting with her research group at the Massachusetts Institute of Technology, hoping to find a pattern. It wasn’t just any ...