Natural stone arches are commonly made of sandstone or limestone and are found in coastal cliff areas that can be eroded by wave action. Other arches...

A recent SciTechDaily article begins by saying, “Embryonic and fossil evidence proves that the human middle ear evolved from the spiracle of fishes”¹...

In 2021, a fossil of an evidently beautiful bird the size of a bluejay was unearthed from sedimentary deposits in northeastern China. The bird—named...