New research shows how switching from a restricted diet to eating as much as you like could be beneficial for reproduction in later life. Researchers studied the eating and mating habits of the small ...

Life expectancy across 117 mammals was increased by hormonal contraception and surgical sterilization in new study.

In the beginning, no one really understood how babies were made. Thinkers puzzled for millennia about how life arose from one generation to the next. But not until the 17th century did scientists ...

Although biology is the study of life, even biologists don't agree on what 'life' actually is. While scientists have proposed hundreds of ways to define it, none have been widely accepted. And for the ...

As life-preserving medical technology advanced in the second half of the 20th century, doctors and families were faced with a thorny decision, one with weighty legal and moral implications: How should ...