At Last, How Many Alien Civilizations are There? - Astrobiology Magazine
The Drake Equation Is Broken; Here's How To Fix It
Are we alone in the universe? Revisiting the Drake equation – Exoplanet Exploration: Planets Beyond our Solar System
The Drake Equation
Detectable civilizations in our galaxy 1 (video) | Khan Academy
A First Program – Calculating the Drake Equation
A First Program – Calculating the Drake Equation
Life Beyond the Earth
Alien Hunters, Stop Using the Drake Equation | Space
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.
Drake's Brave Guess | Discover Magazine
Life in the Universe: An Interdisciplinary Seminar Course
Astronomy Lecture Number 27
The Drake Equation Is Broken; Here's How To Fix It
The Drake equation. Understanding the Drake equation | by Jørgen Veisdal | Cantor's Paradise | Medium
What is the Fermi Paradox? - ExtremeTech
The Drake Equation: What Are the Odds That Aliens Exist? | Discover Magazine
Detectable civilizations in our galaxy 4 (video) | Khan Academy
How Data From The Kepler Space Telescope Is Changing The Drake Equation | by The Physics arXiv Blog | The Physics arXiv Blog | Medium
What Are the Odds of Alien Contact? - Issue 80: Aliens - Nautilus
Scientists use this formula, called the Drake equation, to explore the chance we'll make contact with intelligent aliens | Business Insider
A Lonely Universe? – The Journeying Planetarian
Alien Hunters, Stop Using the Drake Equation | Space
