This stunning volume features specially commissioned cutting-edge digital imagery, which shows how twenty-first-century scientists are beginning to visualise the possibilities of alien life. Exploring scientific principles as well as science fiction, "Aliens: Are We Alone?" takes readers on a fascinating journey through time and space. Published to coincide with the Science Museum's blockbuster Autumn show, the book is fully illustrated with stunning images featured in the exhibition, along with additional illustrations and photographs. Jack Challoner examines alien stereotypes throughout history, exposing their historical and mythical precedents. He explains how scientists are exploring what alien life might be like by searching for clues in the extreme environments of our own planet, the moons and the planets of our solar system, and the newly discovered planets orbiting distant stars. Scientists have begun to understand how life might thrive in far-flung galaxies; in the atmospheres of gas giants; on moons very different from our own; as well as on planets similar to Earth. Drawing on sound scientific principles, the book reveals how far scientists have come in their knowledge about the possibilities for alien life. A mind-bending experience for readers of all ages, Aliens is a thrilling combination of imagination and groundbreaking science in the quest for extraterrestrial life. Contents include: Alien Stories; Aliens on Earth; Alien Imagination;and Alien Contact.