Are we alone in the universe? Revisiting the Drake equation – Exoplanet Exploration: Planets Beyond our Solar System
At Last, How Many Alien Civilizations are There? - Astrobiology Magazine
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Drake equation - Wikipedia
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How Data From The Kepler Space Telescope Is Changing The Drake Equation | by The Physics arXiv Blog | The Physics arXiv Blog | Medium
Drake's Equation — Shane Delmore
The Drake Equation Is Broken; Here's How To Fix It
Drake's Brave Guess | Discover Magazine
A Lonely Universe? – The Journeying Planetarian
The Drake equation. Understanding the Drake equation | by Jørgen Veisdal | Cantor's Paradise | Medium
What Are the Odds of Alien Contact? - Issue 80: Aliens - Nautilus
Are we alone in the universe? Revisiting the Drake equation – Exoplanet Exploration: Planets Beyond our Solar System
Astronomy Lecture Number 27
How many alien civilizations are out there? A new galactic survey holds a clue.
Choose Your Own Alien Adventure – The Drake Equation Gets Interactive | Smart News | Smithsonian Magazine
The Drake Equation Is Broken; Here's How To Fix It
Which Planets Are Most Likely to Harbor Intelligent Life? | Nat Geo Space
A First Program – Calculating the Drake Equation
Life in the Universe: An Interdisciplinary Seminar Course
Alien Hunters, Stop Using the Drake Equation | Space
