The discovery of a well-preserved fossil is helping researchers learn more about an iconic Jurassic-period species. The plesiosaur, considered a successful marine predatory ancient species ...

Scientists have been searching for the species since it disappeared in 1933. Researchers have rediscovered a rare fish species presumed to be extinct after it was not seen for more than eight decades.

Some efforts to preserve or rewild natural habitats are shifting harmful land use to other parts of the world -- and this could drive an even steeper decline in the planet's species, according to ...

Ancient birds may have soared over their dinosaur relatives in the Late Jurassic. A new species found in China, known as Baminornis zhenghensis, shows that early birds already had some of their ...