What Are the Odds of Alien Contact? - Issue 80: Aliens - Nautilus
Introduction - The Drake Equation
The Drake Equation: What Are the Odds That Aliens Exist? | Discover Magazine
Alien Hunters, Stop Using the Drake Equation | Space
Which Planets Are Most Likely to Harbor Intelligent Life? | Nat Geo Space
Drake's Brave Guess | Discover Magazine
Scientists use this formula, called the Drake equation, to explore the chance we'll make contact with intelligent aliens | Business Insider
Drake equation: How the alien formula works, what its variables mean - Business Insider
Life in the Universe: An Interdisciplinary Seminar Course
The search for life beyond Earth - Curious
Drake's Equation — Shane Delmore
PDF) The Statistical Drake Equation
Choose Your Own Alien Adventure – The Drake Equation Gets Interactive | Smart News | Smithsonian Magazine
Alien Hunters, Stop Using the Drake Equation | Space
Alien Hunters, Stop Using the Drake Equation | Space
Are we alone in the universe? Revisiting the Drake equation – Exoplanet Exploration: Planets Beyond our Solar System
What is the Fermi Paradox? - ExtremeTech
Astronomy Lecture Number 27
The Statistical Drake Equation - ScienceDirect
Detectable civilizations in our galaxy 4 (video) | Khan Academy
The Drake Equation Is Broken; Here's How To Fix It
At Last, How Many Alien Civilizations are There? - Astrobiology Magazine
Detectable civilizations in our galaxy 1 (video) | Khan Academy
A Lonely Universe? – The Journeying Planetarian
Drake equation - Wikipedia
Drake equation: How the alien formula works, what its variables mean - Business Insider
How many alien civilizations are out there? A new galactic survey holds a clue.
