The take-home message of the paper, which was published in Science, was that while many genes influenced same-sex attraction, genetics alone could not predict one’s sexual behavior. Yet a month later, ...

Anyone who can grasp the basics of a high school biology class understands there are plenty of genetic things ... idea and use the following celebrity siblings as evidence that it’s nature ...

While doom-scrolling through posts on social media, you may have come across cheeky posts captioned: “siblings or dating?” The photos depict look-alike pairs and invite viewers to guess if the duo is ...

Josie Morey (right) found her brother Jim McLoughlin and sister Lorraine Williams through a DNA kit that was given to her as a Christmas present Three half-siblings in their 70s have met for the ...