The great white shark, scientific name Carcharodon carcharias, also known as the great...
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Cuttlefish are marine animals of the order Sepiida. They belong to the class...
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A black panther is typically a melanistic color variant of any of several...
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Bluefin Tuna: facing extinction
Overfishing has caused Northern bluefin tuna numbers to drop 96% in the Northern Pacific. Learn more about this endangered but fascinating animal.
Life is a characteristic that distinguishes objects that have signaling and self-sustaining processes from those that do not, either because such functions have...
An endangered species is a population of organisms which is at risk of becoming extinct because it is either few in numbers, or threatened by...
Photosynthesis is a chemical process that converts carbon dioxide into organic compounds, especially sugars, using the energy from sunlight. Photosynthesis occurs in plants, algae,...
Outer space is the void that exists between celestial bodies, including the Earth. It is not completely empty, but consists of a hard vacuum containing...
An ecosystem is a biological environment consisting of all the organisms living in a particular area, as well as all the nonliving , physical components...
Deoxyribonucleic acid is a nucleic acid that contains the genetic instructions used in the development and functioning of all known living organisms . The...
A fungus is a member of a large group of eukaryotic organisms that includes microorganisms such as yeasts and molds , as well as...
Abiogenesis or biopoesis is the study of how biological life arises from inorganic matter through natural processes, and the method by which life on...
Paleontology "old, ancient", ὄν, ὀντ- "being, creature", and λόγος "speech, thought") is the study of prehistoric life. It includes the study of...
Symbiogenesis is the merging of two separate organisms to form a single new organism. The idea originated with Konstantin Mereschkowsky in his 1926 book Symbiogenesis...