Some microorganisms thrive at temperatures far beyond anything humans could tolerate. The known growth record belongs to Methanopyrus kandleri, an archaeon found around deep-sea hydrothermal vents ...

For many years, excessive heat has been known as one of the most notable limitations to complex organisms. In today’s world, however, an organism discovered within the landscape of volcanoes in ...

A microscopic creature from a boiling hot spring in Northern California has just reset the upper limit for how hot complex life can run. The newly described “fire amoeba” thrives at temperatures that ...

A species of amoeba discovered in California’s Lassen Volcanic National Park can survive and thrive in temperatures that had been considered impossibly high for complex life. Nicknamed the fire amoeba ...

Scientists have discovered a previously unknown amoeba in the geothermal streams of California’s Lassen Volcanic National Park that can reproduce at temperatures reaching 145°F (63°C). Named ...

A tiny amoeba has broken a pretty big record. The newly discovered species of single-celled organism can divide and reproduce at a piping hot 63 degrees Celsius (145 degrees Fahrenheit), a higher ...