Table of Contents
- NASA Chief Scientist Hinted About Existance of The Aliens Which May ...
- Wikiany
- Where Are The Aliens? Exploring the Possibilities - Other Worlders
- How depictions of aliens have evolved - CNN.com
- Humanity is actually about to start sending messages to aliens
- Aliens, new images by Jerry A. Sierra
- The Aliens - YouTube
- BBC World Service - The Documentary, So where are the aliens?
- ๐ฅ [70+] Alien Movie Wallpapers | WallpaperSafari
- Revised Drake equation estimates new number of alien civilizations



Introduction to Extraterrestrial Life



History of Extraterrestrial Life Research
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Types of Extraterrestrial Life
There are several types of extraterrestrial life that scientists speculate may exist. These include: Microbial life: Simple organisms that can exist in extreme environments, such as bacteria and archaea. Complex life: More advanced organisms, such as plants and animals, that require specific conditions to survive. Intelligent life: Life forms that possess a level of consciousness and intelligence, such as humans.