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 ...

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 ...

One of the great tragedies of the 21st century,” Nan Schaffer once said, “will be humanity’s homogeneity.” The remark was ...