Female mammals live longer than males because of their sexual behavior, study suggests

Sexual behavior is one reason why female mammals typically live longer than their male counterparts, according to a new study ...

Black widows lure males with smell of 'cheesy feet'

According to a new study by researchers from Greifswald and Canada, black widows (Latrodectus hesperus) use a unique scent ...

Nature's not perfect: Fig wasps try to balance sex ratios for survival but they can get it wrong

Television nature programs and scientific papers tend to celebrate the perfection of evolved traits. But the father of ...

Rare Hybrid Bird Discovered in Texas Backyard

Scientists in Texas confirmed the existence of a rare hybrid bird, the offspring of a green jay and a blue jay. It’s one of the first known cases of climate change driving two species into the same ...