In popular cultures, "Extraterrestrials" are life forms — especially intelligent life forms— that are of extraterrestrial origin (often also called "aliens").
Famous quotes containing the word life:
“Midway along the journey of our life [Nel mezzo del cammin di nostra vita] I woke to find myself in a dark wood, for I had wandered off from the straight path.”
—Dante Alighieri (1265–1321)