The human body is a machine whose many parts—from the microscopic details of our cells to our limbs, eyes, liver and ...

In a stunning revelation, scientists have unearthed shark fossils dating back 325 million years in Mammoth Cave, Kentucky.

Researchers of the Siberian Branch of the Russian Academy of Sciences have reconstructed the likely appearance of an extinct group of comb jellies, one of the oldest known animal phyla. Their findings ...

Fossils are so common in Pennsylvania Bluestone that Glass often points out prehistoric plant fragments and ancient tide ...

In 1921, William Bell Riley admonished his opponents that they should “cease from shoveling in dirt on living men,” for the ...

Anxiety, the psychological and physiological state characterized by an anticipation of potential threats and a heightened ...

The species was named Sphyragnathus tyche, combining Greek words “sphyra,” meaning hammer and “gnathus,” meaning jaw for the ...

An ant and fly from the Cretaceous period offer insights into the history of Ophiocordyceps, the fungal parasite made popular ...

This dramatic shrinking is the phenotypic manifestation of a change to the cod genome that’s been brought on by overfishing. That’s the message from a new study that has demonstrated, for the first ...