How many offspring an animal can have depends on many factors, such as whether they're aquatic and how they get around.

Though they are both essentially fish eggs, there are some key differences between Japanese-style tobiko and the caviar often ...

This roughly five-foot-long shark displayed an unusual pure white coloration, contrasting the typical gray and white body of ...

but can also drive de novo centriole assembly in unfertilized eggs that initially lack centrioles. These studies offer a new perspective on the mechanisms that control centriole duplication.

The finding could provide unprecedented insights into the great white's birthing practices.

In this process, a female creates an embryo from an unfertilized egg, resulting in offspring either all male or all female.

The first step in the process of generating embryonic stem cells is to remove the nucleus from an unfertilized egg cell (A). Because the egg cell is only 100 micrometers, or one-tenth of a ...

Bun Ito, a master’s student at Tokyo Metropolitan University and Nagoya University, had begun rearing some Taiwanese tree ...

The populations in the sea on the coast of Japan emerged approximately one to two million years ago and were later dubbed “Amazons” due to their unique ability to reproduce alone. The team compared ...

In a mechanism of sex determination known as haplodiploidy, fertilized eggs will become female offspring, while unfertilized eggs will become males. Maureen Dolan, NOVA Online's intern ...

Spend any amount of time outside around this time of year in most of Canada, you’re likely to be besieged by wasps. Early ...