In 1971 a Russian spacecraft attempted to photograph Mars, but the planet did not cooperate. Since then, we've learned more about the atmosphere of the red planet, and what makes it similar to, but very different from, our own.
As we continue to discover the diversity of life on Earth, we are forced to stop and marvel at how tenacious and inventive life is. So, as we forge onward in our robotic explorations of other worlds, we shouldn't be too surprised to find other places where conditions seem to be right for life.
2004 • Astronomy
Hard as it is to swallow, cutting-edge theories are suggesting that our universe may not be the only universe. Instead, it may be just one of an infinite number of universes that make up the "multiverse." In this show, Brian Greene takes us on a tour of this brave new theory at the frontier of physics, showing what some of these alternate realities might be like.
Did you know that we could start building a Lunar Base today?
The first episode of this series focuses on a subject that has fascinated scientists for hundreds of years - stars. Right now in the Universe's giant furnaces stars are being born. See how their creation changed the cosmos forever, leading to planets and life itself.
The new discovery of seven alien Earth-like planets in a faraway solar system is a major milestone in our hunt for extraterrestrial life, and experts investigate the secrets of TRAPPIST-1's mysterious worlds to reveal if we're truly alone in the universe.