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 ...

A new study of 565 million-year-old fossils has identified how some of the first complex organisms on Earth -- possibly some of the first animals to exist -- reproduced, revealing the origins of our ...

Living organisms have good reason for engaging in sexual, rather than asexual, reproduction according to scientists. Living organisms have good reason for engaging in sexual, rather than asexual, ...

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 ...