Life in Our Universe

Peer into the exciting new field of astrobiology and learn what science knows about one of the most fundamental questions of all time: Is there life elsewhere in the universe?

• By This Professor
• 01: Is There Life Elsewhere in Our Universe?
• 02: Bang! A Universe Built for Life
• 03: A Star Is Born-Forming the Solar System
• 04: The Early Earth and Its Moon
• 05: Impacts-Bringers of Death ... or Life?
• 06: Evidence of the First Life on Earth
• 07: Common Themes for All Life on Earth
• 08: Origin of Terrestrial Life
• 09: Astrobiology-Life beyond Earth
• 10: Has Mars Always Been Dead?
• 11: Evidence for Fossilized Life from Mars
• 12: Could Life Ever Have Existed on Venus?
• 13: Liquid Assets-The Moons of Jupiter
• 14: Liquid on Titan and Enceladus
• 15: Discovery of Extrasolar Planets
• 16: The Kepler Spacecraft's Planets
• 17: A Tour of Exotic Alien Solar Systems
• 18: Extraterrestrial Intelligent Life
• 19: SETI-The Search for Intelligent Life
• 20: The Fermi Paradox-Where Is Everyone?
• 21: Space Travel-A Reality Check
• 22: Terraforming a Planet
• 23: The Future of Terrestrial Life
• 24: The Search for Another Earth