Extraterrestrial Life: We are not alone

Are we alone in the universe? This ancient question remains unanswered, but we are inching closer to finding out. Since the 1970s, probes have explored various objects in our solar system, revealing no advanced civilizations beyond Earth. However, bacterial life likely existed on Mars and might still exist today. Venus, though a scorching hellscape, could host bacterial life in its atmosphere. Some moons of gas giants are believed to harbor underground oceans potentially capable of supporti...