A major transition in evolution is the shift from asexual to sexual reproduction in early organisms. But why would a yeast ...

Starting one's sex life and having children at a young age can run in the family. But can pregnancy have beneficial health ...

AI romantic companions — digital agents that can text, speak, flirt and are always available — are a rapidly growing social ...

My guest this week believes that our problems today can be traced back to the sexual revolution. She argues that it reset ...

Evolution, a new five-part series tells the extraordinary story of how life on Earth has changed over more than four billion ...

Why humans have a philtrum, the groove above your lip, explained by an evolutionary biologist — from embryonic face-building ...

Frogs that hatch during the cooler months of December through April are exposed to fewer infected frogs, but those they do ...

Learn what conditions an endocrinologist treats, including diabetes, thyroid and hormone disorders, and discover practical ...

I should know. I lived as a woman for eight years. Thirty trillion cells make up the human body, and they deliver undeniable ...

Chris Tonkin spent years studying Toxoplasma gondii, a cunning and brain-invading parasite. But when he had to receive ...

Salvinia molesta can double its biomass in 36 hours. It spreads across ponds, lakes and slow-moving waterways in a smothering ...