Animals reproduce in one of two distinct ways: egg-laying or live birth. By studying an evolutionarily recent transition from egg-laying to live-bearing in a marine snail, collaborative research has ...

Gripped to the walls along the San Antonio River are what look to be “wads of bright pink bubble gum.” And those lookalike pieces of gum need to be scraped away, according to the San Antonio River ...

Giant apple snails are an invasive species to Texas that grow up to six inches long. They can be seen in numerous bodies of water throughout Texas, including along the San Antonio River Walk. Apple ...

A photo of the embryos that developed inside a live bearing female snail. Many different stages of development can be observed from just-fertilized, to fully-hatched miniature snails. Animals ...