Search results
2 days ago · n e: The number of planets per solar system with an environment suitable for life. f l: The fraction of suitable planets on which life actually appears. f i: The fraction of life-bearing planets on which intelligent life emerges. f c: The fraction of civilizations that develop a technology that produces detectable signs of their existence.
3 days ago · We have no evidence, having never encountered a single alien lifeform, to be making significant or factual claims about the nature of the search for alien life.
3 days ago · Today, we will look at the many hints that have emerged over the years pointing toward the existence of life beyond Earth. Insane Pieces of Evidence of Alie...
1 day ago · This planet provides a unique opportunity to study a world that could support life, given its position in the habitable zone and the likelihood of having an atmosphere that can retain heat and support a stable climate. “This is our first tantalizing glimpse of an atmosphere on a super Earth in the habitable zone.
3 days ago · Science. Are UFO Sightings Real? From Roswell to the USS Nimitz, sightings and evidence abound. How do we investigate UFO reports—and are they real in the first place? We'll explore the...
4 days ago · The search for extraterrestrial life is most clearly grasped by imagining the reverse situation. For example, if humans were on Mars , examination of Earth for life with the full armory of contemporary scientific instrumentation and knowledge would be illuminating .
4 days ago · Extraterrestrial life refers to life that may exist or may have existed in the universe outside of Earth. The search for extraterrestrial life encompasses many fundamental scientific questions, including ‘What are the basic requirements for life?’ and ‘Are there other planets like Earth?’
