A new study published in Science and led by Monash University biologists reveals that the energy cost of reproduction is far greater than previously believed. The research, led by Dr. Samuel C Ginther ...

A study based on a review of genetic and health information from more than 276,000 people finds strong support for a decades-old evolutionary theory that sought to explain aging and senescence. A ...

Science fiction writers have imagined just about every aspect of life in some far-off future — including how humans will reproduce. And usually, their visions have included a backlash against those ...