The ancestors of the first four-legged land animals already showed signs of the group's trademark diversity, suggests a new fossil reconstruction of a transition species.
After ten rare mountain gorillas were killed execution-style in a Congo park, Congolese authorities have arrested a senior park official in connection with the slayings.
Amid protest, the 2008 meeting of the International Whaling Commission opened in Chile, where the host nation proposed a permanent ban on whaling in its waters.
Great Barrier Reef coral trout have thrived under a fishing ban, showing that no-take reserves can spur dramatic comebacks in overfished ocean habitats, a new study finds.
Some weighed more than a pickup truck, others a small car. Despite their different sizes, Australia's ancient wombats belonged to a single species, a new study says.
Hundreds of animals are being housed in makeshift emergency shelters after a devastating flood forced 24,000 people to evacuate across the state, rescuers say.
U.K. scientists are genetically modifying mosquitoes to be resistant to malaria, which kills millions annually. But some experts fear these supermosquitoes would upset the ecosystem.
The Buddhist "Tiger Temple" claims it is saving rare tigers—but evidence of tiger-farm exchanges and breeding of hybrid animals suggests otherwise, conservationists say.
Hot-pink millipedes, "Michelin Man" plants, and lethal jellyfish are among the new surprising new species in a ranking by the International Institute for Species Exploration.
California sea lion fetuses exposed to toxic algal blooms on the rise may develop seizures and abnormal behavior later in life, a study of lab rodents has found.
