Discusses what other planets may have the right conditions to support life and surveys aliens, unidentified flying objects, and our exploration of space.
Contents
This vast universe: Galaxies like grains of sand -- Origins of life: At the dawn of time -- Children of the Sun: Worlds of the Solar System -- Looking at Worlds in Space -- Explorers from Earth: Probing space -- Real-life Martians?: Looking at the Red Planet -- Moon creatures: Life in a distant ocean? -- New worlds: Planets circling other stars -- Making Contact -- Big ears: Listening with radio telescopes -- Sending messages: Earth's calling cards -- The UFO mystery: Do they really exist? -- Design: an alien What ETs might look like -- Are we alone?: A few of the possibilities -- Time track: Martians, spaceprobes, and more.