Astrobiology

Astrobiology is the study of the origin, evolution, distribution, and future of life in the universe: extraterrestrial life and life on Earth. This interdisciplinary field encompasses the search for habitable environments in our Solar System and habitable planets outside our Solar System, the search for evidence of prebiotic chemistry, laboratory and field research into the origins and early evolution of life on Earth, and studies of the potential for life to adapt to challenges on Earth and in outer space. Astrobiology addresses the question of whether life exists beyond Earth, and how humans can detect it if it does.
(from wikipedia.org)

Related Links
Astrobiology and the Search for Extraterrestrial Life
Finding Life Beyond Earth

Aliens of the Deep

James Cameron joins up aboard the Russian research vessel Akademik Mstislav Keldysh with a group of NASA scientists, as well as some American marine biologists, to investigate ten hydrothermal vents in both the Atlantic and Pacific. The vents have their own unique ecosystem, which support diverse organisms such as giant tube worms, swarms of blind white crabs, and vast amounts of shrimp which are capable of "seeing" water that is heated by the vents. These creatures do not require sunlight like other organisms, and instead obtain their energy from the vents. They are able to survive in the superheated and sulfurous water. Because of this, the documentary suggests that this is what life beyond Earth might look like. As some alien ecosystems are likely to be a lot harsher than a typical terrestrial ecosystem, these exotic vents provide an insight into some of the forms that alien life might take.

Related Links:
Volcanoes of the Deep
The Blue Planet - The Deep

Finding Life Beyond Earth: Are We Alone?

Finding Life Beyond Earth: Are We Alone? is a PBS documentary which takes a spectacular trip to distant realms of our solar system to discover where secret forms of life may lie hidden. Combining the latest telescope images with dazzling animation, Finding Life Beyond Earth immerses audiences in the sights and sounds of alien worlds, while top astrobiologists explain how these places are changing how we think about the potential for life in our solar system. We used to think our neighboring planets and moons were fairly boring—mostly cold, dead rocks where life could never take hold. Today, however, the solar system looks wilder than we ever imagined. Powerful telescopes and unmanned space missions have revealed a wide range of dynamic environments—atmospheres thick with organic molecules, active volcanoes, and vast saltwater oceans. This ongoing revolution is forcing scientists to expand their ideas about what kinds of worlds could support life. If we do find primitive life-forms elsewhere in the solar system, it may well be that life is common in the universe—the rule, and not the exception.

Related Links
Life in the Universe
Astrobiology and the Search for Extraterrestrial Life