Included in the koala unit plan are five days' worth of lesson plans, instructional materials, printables, graphic organizers ...

An international team looks back 12 million years for clues about the formation of these vast areas where no life can survive A satellite image of the Northern Gulf of Mexico, where 'dead zones' can ...

Marine biology is the study of life in the oceans and brackish waters, which ranges from archaea and bacteria to marine mammals, and includes organisms such as corals that affect the shape of the ...