The little skeleton was curled so tightly it looked as if it had never really entered the world. For years, that mattered ...

The Amazon molly is an all-female fish that ditched sexual reproduction entirely, thriving for over 100,000 years through ...

As children, many of us learn the facts of life with examples from the natural world. The thinking is that it is more straightforward (and certainly less uncomfortable) to illustrate “the talk” with ...

This video challenges the fundamental concept of what defines a species in biology. It presents examples of hybrid animals ...

A six-year study reveals that the rodent, which does not develop cancer or feel pain, also has a more sophisticated system of ...

A remarkable discovery answers one of the greatest survival stories in Earth’s history—and a decades-old scientific mystery.

An insect whose head looks more like a sperm whale has been making a splash in the science world after being found in South ...

In the aftermath of Earth’s most catastrophic extinction event, one unlikely survivor rose to dominate a shattered world: ...

The hectocotylus is both a reproductive and sensory organ, Harvard scientists and others have found. Octopuses are some of the most mysterious animals living in the sea. In research out today, however ...

Scientists discover the first fossil egg of a mammal ancestor, offering new clues to how Lystrosaurus survived extreme ...

ASTANA – Kazakhstan has confirmed the presence of the snow leopard in the Western Tien Shan, along with evidence of stable ...