Finding aliens: Is there a ‘theory of everything’ for life?

Alien life is a topic that has fascinated scientists, researchers, and the general public for decades. The possibility of extraterrestrial life existing elsewhere in the universe is a tantalizing prospect, and one that has inspired countless books, movies, and TV shows. Scientists have been searching for signs of alien life for years, using a variety of methods including radio telescopes, space probes, and rovers. They have focused their search on planets that are located in the "habitable zone"

Alien Bugs May Have Already Been Transported to Earth, Says Scientists