A large-scale analysis of 117 mammal species found that preventing reproduction is associated with longer lifespans, suggesting a strong link between reproductive activity and life expectancy. Why do ...

The white-handed gibbon comes closest to humans in the study, with a monogamy rate of 63.5%. It’s the only other top-ranked ...

Scientists announce to have grown human egg cells to full maturity in the lab in a potential breakthrough for fertility treatment.

Studying chemical chatter as tiny balls of cells embed could shine a light on early pregnancy and glitches that lead to miscarriage Researchers have created the lining of a womb in a dish, which ...

Jawbones and other remains, similar to specimens found in Europe, were dated to 773,000 years and help close a gap in Africa’s fossil record of human origins.

Here's how the astronomical phenomenon influences our planet—from the length of our seasons to the way Earth moves through ...

Nature is astonishingly diverse. Across the planet’s oceans, forests, grasslands, and cities, living beings interact in ways that defy rigid expectations.

If you’re watching the person you love struggle to survive an illness, things aren’t going to be the same — for better or for ...

When roundworms stop reproducing, they can still move and function normally but lose their ability to detect certain food odors that once led them to their meals. Researchers at Nagoya University have ...

Common pollutants are disrupting energy production at the cellular level in wild seabirds, potentially affecting fitness, new ...

The jawbones and vertebrae of a hominin that lived 773,000 years ago have been found in North Africa and could represent a ...

A pigment that makes feathers and hair orange helps prevent cellular damage by removing excess cysteine from cells.