Biology

Chinese giant salamanders were once common across a huge area of China, however, the animals have suffered dramatic declines in recent times

Short-faced kangaroos are an entirely extinct group of marsupial herbivores that arose during the Miocene Epoch—around 23 to 5.3 million years ago—and diversified prolifically during Australia's Ice Age.

This type of mating behavior, where a generation of males die off in their first season, is very rare in the animal kingdom.

Even in the starkest of situations, the act of eating another human's flesh remains almost beyond contemplation.

Leeches are parasitic worms that feed on the blood of animals.

The invasion of insects in the state follows similar events in Las Vegas, Nevada and southern Idaho over recent weeks.

The researchers utilized special electric signals generated by eye movements to control and change the focal length of the soft lens.

The kauri tree—that should not be alive—could be part of a forest "superorganism," scientists say.

There are around 50 snake species in Russia, of which around 11 can pose a danger to humans.

The fungus (Ophiocordyceps unilateralis sensu lato) causes the death of its host before scattering its pores to infect other ants.

Chlamydia in koalas can lead to blindness, infertility and death. The disease is an important factor in the population declines that the species is experiencing.

It has long been thought that the first animals evolved from single-celled organisms resembling microbes called choanoflagellates that are found in water today.

The unusual creature has an extra eye socket in its skull.

The tiny critters could perch on your thumbnail.

Scientists discovered the hidden fluorescence by accident.

And for some of them, sex lasts 40 to 70 hours.

Some elephant bird species grew to heights of around 10 feet tall and could weigh up to 1,800 pounds.

Birds have a highly efficient respiratory system which enables them to sustain powered flight.

Elephant skin is covered in an intricate network of minuscule crevices that retain water and mud, providing a number of benefits.

The giant bird could grow up to 10 feet tall.

Some modern mammals have a bone inside their penis, called the baculum.

Salt is a crucial nutrient that is critically important for various physiological processes.

The strange interaction has never been documented in nature before.

The science behind why people become lefties remains inconclusive.

Among the earliest fossils, one marine creature has long baffled scientists.

The finding could help scientists better understand how organs are formed in the body.

The parasite infects a staggering 30-50% of the world's population.

There may have been two periods when conditions on the lunar surface were sufficient to support simple lifeforms.

Tree shrews are a small mammal species native to southeast Asia.

"A rarely seen horror."