Long penises may allow hermit crabs to stay in their shells during sex, reducing the risk of shells being stolen.
Rats struggle to solve a maze after their uteruses are removed, raising questions about the impacts of the widespread procedure in humans.
A closer look at cat tongues helps explain why the animals' grooming is so effective and may inspire new brushes -- for pets and humans.
Scientists are finding microbes that are good for crops but bad for weeds.
Drought killed off inedible plants in Kruger National Park, making room for other plants that animals like to eat.
Blowflies serve as natural sampling instruments to learn what is pooping and dying in an area.
For seeds, it’s a race against time to create the chloroplasts they need to survive during the first 48 hours in the ground.