If you've ever had a spiny leaf insect as a pet, or you're considering getting one, hopefully someone has warned you about this: if you put one in your enclosure, you might come back some time later ...

(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 ...

Archimedes had his famous “Eureka!” moment about water displacement after stepping into a very full bath. Oliver Ryder and Leona Chemnick’s big “Aha!” arrived in a parking lot. They were standing ...

Conservation scientists for the San Diego Zoo Wildlife Alliance made the surprising discovery while genotyping genetic material from two deceased California condors Kelli Bender is the Pets Editor at ...

In the course of evolution, animals have repeatedly shifted from sexual to asexual reproduction. The first evidence of the consequences of parthenogenesis – a type of asexual reproduction – on genome ...

Termites form complex societies like bees and ants do, but with a crucial difference: Unlike the mostly-female bee and ant colonies, termites usually have a 50/50 mix of males and females. A king and ...

Stick insects that reproduce asexually cannot adapt as quickly in the course of evolution as sexually reproducing species, leading to a decrease in biological diversity, according to new research. An ...

For most animals, survival is a game of chance. Sexual reproduction mixes DNA, keeping the gene pool diverse and giving ...

Two captive female California condors each produced a chick asexually years ago – the only such instances ever recorded for that endangered species, researchers reported Thursday. And while this has ...

Plant reproduction is highly complex and variable across the kingdom. The emergence of sexual reproduction has contributed to increase plant genetic diversity and enabled the colonisation of new ...