For decades, studying menstruation has posed a problem even the most sophisticated lab equipment couldn’t solve: most lab animals simply don’t menstruate. While menstruation affects roughly half the ...

A team of scientists' findings could "reshape" infertility treatments and opened the door to safe, non-hormonal male ...

Sex cells made from scratch could revolutionize human reproduction. But researchers are struggling to translate promising ...

The study explores the evolutionary origins of the lifespan difference between women and men. Across the globe, women ...

Michigan State University scientists have pinpointed the molecular "switch" that supercharges sperm for their final sprint to ...

Researchers at the Chulalongkorn University Museum of Natural History have identified a new species of spider found in the forests of Kanchanaburi, Thailand. The specimens they collected included both ...

Suspect Marcus Hinojosa, 17, died from a self-inflicted gunshot after shooting his pregnant girlfriend. The pregnant female is stable, her baby is doing well, and another male victim was killed at the ...

Sexual behavior is one reason why female mammals typically live longer than their male counterparts, according to a new study. Researchers from Germany, Denmark, France, Hungary and Belgium ...

The Priests, from the town of Stratford-upon-Avon in England, welcomed their 8-week-old furry companion Penny last year, and quickly learned she was a very rare Hermaphrodite, with one testicle and ...

In most mammals, females live longer than males, but in birds the trend goes the other way – a study of over 1000 species ...

Across mammal species, from baboons and gorillas up to humans, females usually live longer than the males do. However, this ...