When Xenopus frog eggs are experimentally ruptured, their cytoplasm rearranges itself to form compartments similar to cells, according to a study published October 31 in Science. The researchers, led ...

There are hundreds of species of frog in the world, each with unique and wondrous features that set it apart from others like ...

Frogs mate in a position called amplexus, with the smaller male clasping the female from behind in a ride that can last two days or more. As she lays eggs, he expels sperm to fertilize them.

These frogs put the “group” in “group sex ... whips it to a foam with her back legs, and puts in her eggs. At this point, says Byrne, up to 20 more males “line up in an orderly ...

Spring is filled with so many cool and interesting natural things. The earth is awaking after a long and frozen sleep. Each year I am surprised when I hear my first frogs calling. It always seems ...