Bacteria are tiny single-cell organisms that show a huge range of metabolic and genetic variation, and also exist in a wide array of shapes and sizes....
Evolutionary scientists recently claimed to have discovered bacteria that are 101.5 million years old. In 2010 researchers collected deep-sea sediment...
Turtles (Chelonia) are found in oceans, freshwater ponds, and on land. The Galapagos tortoise is the largest living species of tortoise and, like the...