Ancient African skull sheds light on American crocodile origins

The extinct African crocodile species Crocodylus checchiai may be closely related to American crocodile species alive today, according to a study published in Scientific Reports. The findings suggest that crocodiles may have ...

The secret life of millipedes

Male adult helminthomorph millipedes usually have one or two pairs of legs from their seventh segment modified into sexual appendages. These specialized gonopods are used as claspers to hold the female during mating or to ...

Dinosaurs' unique bone structure key to carrying weight

Weighing up to 8,000 pounds, hadrosaurs, or duck-billed dinosaurs were among the largest dinosaurs to roam the Earth. How did the skeletons of these four-legged, plant-eating dinosaurs with very long necks support such a ...

The skeleton of the Milky Way

Our home galaxy, the Milky Way, is a typical barred spiral galaxy, a flattened disk of about a hundred billion stars, gas, and dust that is roughly one hundred thousand light-years in diameter. The galactic disk is surrounded ...

From ocean to land: The fishy origins of our hips

New research has revealed that the evolution of the complex, weight-bearing hips of walking animals from the basic hips of fish was a much simpler process than previously thought.

Ocean acidification makes coralline algae less robust

Ocean acidification (the ongoing decrease in the pH of the Earth's oceans, caused by the uptake of CO2 from the atmosphere), is affecting the formation of the skeleton of coralline algae which play an important part in marine ...

page 1 from 3