Cloud-watchers can talk all about the interesting shapes they've noticed over the years. They may have been gazing out the ...

Discover why crappies migrate to deep water in winter. Learn how zooplankton behavior and lake structure help you locate and catch panfish this season.

Scientists used a baited camera to record several deep-sea fish swimming backward. The first-of-its-kind video shows the escape mechanism.

The new species has been known among aquarium hobbyists for years and kept as a pet by “several dedicated hobbyists all over ...

The amount of sperm released decreased sharply with each mating during a single day, reducing the males' fertilization rate.

They found that male medaka can mate 19 times per day on average. In the first three mating sessions, the medaka released ...