The world's abalone are threatened, endangered or otherwise vulnerable in nearly every corner of the planet. While captive breeding efforts are underway for some species, these giant sea snails are ...

Sporting a reproductive "skyline," a new species of jellyfish is like nothing else known under the sea, a new study says. Shaped like flying saucers, both males and females of the new jellyfish have ...

Simulated microgravity reveals species-specific effects on sperm navigation, fertilization, and early embryo development, highlighting compensatory mechanisms and chemical cues critical for ...