Alien life might look unlike anything we've ... NASA defines life as a "self-sustaining chemical reaction capable of Darwinian evolution." That means organisms with a complex chemical system ...

Reviewing case studies from thermodynamics, computation, genetics, cellular development, brain science, ecology, and ...

Mark Kermode brings a tribute to the successful Alien series featuring interviews with the cast members and directors including Sigourney Weaver and Ridley Scott This documentary is featured on ...

Reviewing case studies from thermodynamics, computation, genetics, cellular development, brain science, ecology, and evolution, the paper concludes that certain fundamental limits prevent some ...