Mars
Mars Habitability Explained: Water, Chemistry, Energy, and the Search for Past Life
Extinct.life Editorial Team • 6 min read
Cosmic Ecology
Monday, November 9, 2026
biosignatures
Biosignatures Explained: How Scientists Distinguish Life From False Positives
Learn how scientists evaluate exoplanet biosignatures, test false positives, and track evidence without confusing a clue with proof of life.
By Cosmic Ecology Editorial Team • 2026-11-09
ocean acidification
Ocean Acidification Explained: Causes, Effects, and How Marine Life Responds
Extinct Life Editorial Team • 7 min read
Extremophiles and the Limits of Life: A Reference Guide to Heat, Pressure, Acid, and Radiation
A practical guide to extremophiles, their survival strategies, and what Earth’s limits of life reveal about Mars, Europa, and other worlds.
Climate Tipping Points Explained: Thresholds, Warning Signs, and What Happens Next
A practical guide to climate tipping points, warning signs, uncertainty, and the checklist for interpreting Earth-system risk.
Exoplanet Habitability Guide and Calculator: How Scientists Assess Worlds That Could Support Life
Use a repeatable worksheet to assess exoplanet habitability through stars, orbits, atmospheres, water, energy, and radiation.
Endangered Species Status Tracker: How to Read Conservation Categories and Recovery Data
Learn how to track endangered species status, population trends, habitat, threats, recovery indicators, and meaningful conservation changes.
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Carbon Cycle Calculator and Guide: Pools, Fluxes, and Human Impacts
Extinct.life Editorial Team
Could Life Exist on Europa? Habitability Checklist and Evidence Tracker
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Carbon Cycle Calculator and Guide: Reservoirs, Fluxes, and Climate Feedbacks
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Megafauna Extinction Map: Where Large Animals Disappeared and Why
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Ice Age Animals List: Mammals, Birds, and Predators of the Pleistocene
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De-Extinction Projects Tracker: Which Animals Scientists Are Trying to Bring Back?
Extinct.Life Editorial Team
What Causes Species Extinction? A Guide to the Main Drivers and How They Interact
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How Scientists Detect Exoplanets: Methods, Limits, and Recent Improvements
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Can Life Exist on Europa? What We Know So Far
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Potentially Habitable Exoplanets List: Best Candidates to Watch
Extinct.life Editorial
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End-Permian Extinction Explained: What Happened in Earth’s Worst Die-Off
Extinct.life Editorial
Mass Extinction Causes Compared: Volcanoes, Asteroids, Climate Shifts, and Ocean Change
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Background Extinction Rate Calculator: Compare Natural and Modern Species Loss
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