Despite the likelihood that humans are alone in the universe, the search for extraterrestrial intelligence will continue, said famed scientist Jill Tarter.
Meanwhile, belief in extraterrestrial intelligences continues to grow with an almost religious fervour.
No other robotic spacecraft has ever collected extraterrestrial material and returned it to Earth.
I have nothing against scientific surveys scanning the heavens for signs of extraterrestrial intelligence.
Scientists are of two minds regarding the existence of extraterrestrial intelligence.
The researchers still didn't detect extraterrestrial microorganisms on Earth.
But, Sagan was also known for his optimistic search for extraterrestrial intelligence.
Obviously if UFOs are as rampant as people claim, SETI would be overloaded with messages of extraterrestrial intelligence.
As only Earth meets this requirement, there is no extraterrestrial life in the solar system.
It appears increasingly likely that there are extraterrestrial environments that could support Earth organisms.