Life on Earth began in a way that still boggles the mind. Around 4.5 billion years ago, a chemical process called abiogenesis ...

Domestic pig genes got diluted across generations but their rapid reproductive capacity persisted in hybrid hogs ...

Human fertility is a complex and multifactorial process influenced by genetic, hormonal, physiological, behavioral, and environmental determinants. A growing body of evidence has highlighted a ...

Here’s what you’ll learn when reading this story: Chondrichthyan fishes—a group that includes rays, skates, chimaeras, and sharks—are thought to have energy intensive reproduction cycles due in no ...