The long-held concept of the "Goldilocks zone"—the region around a star where conditions are neither too hot nor too cold for life—is being re-examined by scientists. This revised perspective includes considering potential life in environments previously thought too extreme, such as the clouds of Venus.
During a live event at the Cheltenham Science Festival, experts discussed the limitations and methods in the search for extraterrestrial life. Planetary scientist Sara Seagar of MIT shared details about her team's mission to Venus. While surface temperatures can reach 500 degrees Celsius and sulfuric acid rains down, Seagar noted that conditions in the clouds above might be conducive to life.
Lewis Dartnell, Professor of Astrobiology at the University of Westminster, highlighted the study of extremophiles. These are organisms on Earth that thrive in environments once considered impossibly hostile, suggesting that life might exist in a wider range of conditions than previously assumed. The discussion also touched upon ongoing missions to find evidence of life on Mars.