Europa, one of Jupiter’s moons, is raising hopes for extraterrestrial life thanks to insights shared by Professor Monica Grady, a planetary scientist at Liverpool Hope University. In a recent speech, Grady suggested that Europa’s hidden oceans might harbor lifeforms with intelligence comparable to octopuses. Although there’s no direct evidence yet, the idea is bolstered by Europa’s unique conditions.

Europa is about 390 million miles from Earth and is covered in an icy crust that can be up to 15 miles thick. Beneath this layer lies a vast ocean that scientists believe might be kept in a liquid state by geothermal heating. This subsurface ocean could protect potential life from harmful radiation and impacts from celestial objects, creating an environment similar to Earth’s deep-sea ecosystems.

Hydrothermal vents on Europa’s ocean floor might further enhance its suitability for life. On Earth, such vents are rich habitats where complex ecosystems thrive without sunlight, relying instead on chemicals released by the vents. Grady believes this makes Europa a strong candidate for finding more sophisticated life than Martian bacteria, potentially resembling octopus intelligence.

Europa isn’t the only celestial body being considered for alien life. Grady points to Mars as another candidate, suggesting that subterranean bacteria could exist in its deeper caves and caverns. These organisms might survive by using water from buried ice while avoiding the planet’s high levels of solar radiation.

Europa’s life prospects have gained attention from prior discoveries. In 2019, NASA confirmed the presence of water vapor on Europa, a finding that aligns with decades of observations labeling it an “ocean world.” Combined with the presence of elements and conditions similar to Earth’s, Europa remains a focal point for alien hunting.

Grady also highlights the broader search for extraterrestrial life, arguing that life elsewhere in the universe is statistically likely. She notes that extraterrestrial materials, such as interstellar dust and meteorites containing carbon, nitrogen, and hydrogen, have already reached Earth, demonstrating the vast complexity of cosmic interactions.

While Grady remains optimistic, she is cautious about predicting when or if humans might contact alien life. She acknowledges the vast distances separating us from potential extraterrestrial civilizations but maintains that exploring moons like Europa is a critical step toward understanding our place in the universe.

Future missions and studies, including detailed explorations of Europa’s icy crust and hidden oceans, may reveal whether these “octopus-level” extraterrestrial beings truly exist.