Mice from different countries have likely interbred, producing a super mouse, resistant to a common poison.
The eggs were good eats, as well as home, to numerous scavenging insects.
Bioelectrical patterns are detected on an embryonic tadpole, outlining where its eyes, nose, mouth will later appear.
What's driven vipers to evolve a deadly venom? A need to defend themselves against opossums.
Fishermen claim they've captured a Cadborosaurus on video, and that it's genuine.
The sharks are attracted to an abundant gray seal population.
To celebrate, the website is holding an adoption event with a goal of finding 15,000 pets a home in two days.
Two tiger poachers were arrested after cell phone images of them hovering over the dead animals was picked up by authorities.
The dwindling of the world's lions, wolves, sharks and other large animals isn't just sad, it's having far-reaching effects on ecosystems.
Study of jellyfish movement could help develop efficient propulsion systems of the future.