The standard evolutionary theory is that humans evolved from a chimp-like ancestor about 3 to 6 million years then migrated out of Africa about 100,000...
Spinosaurus aegyptiacus had a longer body than the enormous T. rex. In Nature journal, researchers published a new reconstruction of the extinct reptile’s...
Recently, after audio-recording underwater in Greenland’s fjords, two geoscientists published research on vocalizations made by narwhals. The sounds...
There are two types of nucleic acids (genetic molecules): DNA and RNA. DNA (deoxyribonucleic acid) is a large linear molecule designed to store genetic...
Reptiles belong to a group of animals called amniotes that also include birds and mammals. A new Australian fossil discovery of a clawed amniote demonstrates...
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...