Mars, Earth and Venus are sibling planets with huge similarities and even bigger differences. Starting from the same primordial material , the climates of each planet diverged, until you have the Goldilocks scenario --one that is too hot, another that's too cold and Earth which is just right. Our program will look at what processes affect the evolution of planetary atmospheres, and what Mars and Venus can tell us about the future of our own climate.
Learn something amazing about the solar system every day.
Planetary Fact Sheets
Find out more about how Earth compares to Venus and Mars.
NASA's Earth Observatory
Explore with scientists the causes and effects of climatic and environmental change through the use of real satellite data.
The Nine Planets
Take a multimedia tour of the solar system, while learning about the history, mythology, and current scientific knowledge of each of the planets and moons.
Read articles about space science, earth science and astrology.
Earth from Above
by: Yann Arthus-Bertrand
Billions and Billions: Thoughts on Life and Death at the Brink of the Millennium
by: Carl Sagan, Epilogue by Ann Druyan
The Accelerating Universe: Infinite Expansion, the Cosmological Constant, and the Beauty of the Cosmos
by: Mario Livio
Rare Earth: Why Complex Life Is Uncommon in the Universe
by: Peter Douglas Ward, Donald Brownlee
Venus Revealed: A New Look below the Clouds of Our Mysterious Twin Planet
by: David Harry Grinspoon