Origins: Where Are the Aliens?
- Episode aired Sep 29, 2004
- TV-PG
Astrophysicist Neil deGrasse Tyson explores whether life is unique to Earth. "The elements essential to life as we know it are widespread throughout the universe," Tyson says, but no extrate... Read allAstrophysicist Neil deGrasse Tyson explores whether life is unique to Earth. "The elements essential to life as we know it are widespread throughout the universe," Tyson says, but no extraterrestrial life has yet been found. Why?Astrophysicist Neil deGrasse Tyson explores whether life is unique to Earth. "The elements essential to life as we know it are widespread throughout the universe," Tyson says, but no extraterrestrial life has yet been found. Why?