They are constantly circling hundreds of miles above our heads.
Maggie reveals how satellites have revolutionised exploration, communication and spying.
ALMA is the biggest observatory ever and it takes space observation to new heights.
Earlier human exploration provides key lessons for mankind’s future direction in space.
In recent decades, technology has allowed us to move beyond pure speculation about aliens.
Joe Kittinger once held the record for the highest freefall jump.
Orbit - Earth's Extraordinary Journey brings the wonder of our planet to your living room.
The twentieth century dawned the age of space exploration.
View our solar system's eight planetary bodies from the comfort of Earth.
Come and explore the planets with Eden just don't expect us to make you weightless.