Genetic diversity is essential to the survival of a species. It's easy enough to maintain if a species reproduces sexually; an egg and a sperm combine genetic material from two creatures into one, ...

Getting the job done. A female Asian water dragon (Physignathus cocincinus) produced a daughter (left) without the assistance of a male. Skip Brown/Smithsonian’s National Zoo An Asian water dragon ...

(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 ...

A baby shark has been born in a Chicago aquarium asexually, with her mother having not mated with any of the males present in her tank. A study published in the Journal of Fish Biology in November ...

Reproduction in animals varies from species to species. Some types of reproduction, like parthenogenesis, are more unusual than others. This reproductive method requires only one individual rather ...

The study reveals how Balanophora plants function despite abandoning photosynthesis and, in some species, sexual reproduction ...

Three members of an all-female termite colony, along with cloned offspring. Photo: The University of Sydney An international team of scientists says all-female termite colonies from Japan are the ...

Michelle Starr is CNET's science editor, and she hopes to get you as enthralled with the wonders of the universe as she is. When she's not daydreaming about flying through space, she's daydreaming ...

Meiosis takes a heavy toll on the viability of offspring, new research shows. And not just for humans. Creatures from geckos to garlic and cactuses to cockroaches pay a price to undergo sexual ...

Genetic diversity is essential to the survival of a species. It’s easy enough to maintain if a species reproduces sexually; an egg and a sperm combine genetic material from two creatures into one, ...

An Asian water dragon hatched from an egg at the Smithsonian National Zoo, and her keepers were shocked. Why? Her mother had never been with a male water dragon. Through genetic testing, zoo ...