When an organ is injured, our body initiates a healing process. If the injury is repeated or chronic, it can lead to an ...

Males of the South American species incubate their young in their vocal sacs. The London Zoo recently established a breeding ...

Ridglan Farms houses more than 3,200 dogs whose only purpose is to be used in - or sold for - scientific experiments.

Surgeon Muhammad Mansoor Mohiuddin is a leader in the novel field of xenotransplantation—transferring organs from one species to another—in his case, from pigs to humans.

Not every creature is built for peak survival. While some animals have evolved to sprint, soar, or blend into their surroundings, others have developed unusual traits that seem to defy practicality.

The bedroom can be a sanctuary of intimacy and pleasure, but for millions of women worldwide, it can also be a place of pain, trauma, and silence .