Asexual reproduction, in which females reproduce without males by cloning themselves, has been documented in multiple species ...

In the animal kingdom, survival and reproduction shape behavior far more than gender roles. This documentary explores how ...

Animal reproduction and breeding encompasses the full spectrum of natural, assisted and genetic processes that underpin the perpetuation, improvement and conservation of species across diverse taxa.

Life cycles require the creation of an autonomous individual, that individual’s growth and that individual’s reproduction In ...

Birds do it, bees do it. Heaven knows the “Tudors” on Showtime do it. We’re not talking about falling in love but about copulation, PBS-style. When the subject is sex, public television isn’t the ...

Meet the Messor ibericus harvester ant, the only animal on record that clones another animal to carry out its lifecycle, ...

The California condor is one of the rarest birds in the world, but now it seems that nature is giving it an unexpected leg-up. Scientists have discovered two condor chicks that were born from ...

It is an awkward idea, but a couple's ability to have kids may partly depend on who else is present. The reproductive tracts of males and females contain whole communities of micro-organisms. These ...

Animals possess circadian clocks, or 24 h oscillators, to regulate daily behavior. These typically take their cues from the periodic change of sunlight and darkness. However, many animals are also ...

The National System of Conservation Areas, part of the Environment Ministry, has informed Ponderosa Adventure Park in Guanacaste that it must make changes in order to comply with Costa Rican laws.