"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." As with other sexual orientations, those that identify as asexual—or aces—exist on a spectrum. While some ...

How to tell if someone is asexual. I remember the first time I met an asexual person. His name, for the purpose of this article, we’ll say is Fred. Fred was a very attractive man. He was tall, lean, ...

Why are most organisms sexual? The question of why most species reproduce sexually and others reproduce asexually has stymied biologists for years (particularly since asexual reproduction has many ...

For most living things, sexual reproduction has proven the best overall strategy to perpetuate a species in the rough-and-tumble, unpredictable fray of natural selection. With two partners combining ...

Evolutionary biologists at the University of Toronto have found that environment plays a key role in determining whether a species opts for sexual over asexual reproduction. The study, led by ...

Scientists who study how organisms reproduce know that asexual reproduction is more efficient for one thing, it’s about twice as fast as sexual reproduction, since every offspring can produce more.

(Santa Barbara, Calif.) Why are most organisms sexual? The question of why most species reproduce sexually and others reproduce asexually has stymied biologists for years (particularly since asexual ...