Explore the diversity and beauty of the natural world in this epic documentary series, filmed over four years across 64 countries. Watch clips, listen to podcasts and learn more about the show's episodes, from pole to pole, mountains, fresh water and caves.

Earth, third planet from the Sun and the fifth largest planet in the solar system in terms of size and mass. Its single most outstanding feature is that its near-surface environments are the only places in the universe known to harbour life.

We observe our planet’s oceans, land, ice, and atmosphere, and measure how a change in one drives change in others. We develop new ways to observe and study Earth's interconnected systems and we build long-term data records of how our planet evolves.

While Earth is only the fifth largest planet in the solar system, it is the only world in our solar system with liquid water on the surface. Just slightly larger than nearby Venus, Earth is the biggest of the four planets closest to the Sun, all of which are made of rock and metal.

Learn about Earth's features, layers, atmosphere, climate, and history in this comprehensive article. Find out how Earth is unique among the planets and how we study it from space.

Earth is the only planet in the universe known to possess life. The planet boasts several million described species, living in habitats ranging from the bottom of the deepest ocean to a few miles...

Learn about Earth's unique features, history, and challenges from space exploration. See stunning images of Earth from different spacecraft and join the mission to protect our planet from asteroids.

Earth is the fifth-largest planet in the solar system. Its diameter is about 8,000 miles. And Earth is the third-closest planet to the sun. Its average distance from the sun is about 93 million miles. Only Mercury and Venus are closer. Earth has been called the “Goldilocks planet.”

Learn how Earth formed, what it's made of, and more about our home planet. Find out where Earth is located, what its atmosphere is like, and what makes it special among the planets.