Space's Deepest Secrets - Season 4

Time travel is less impossible than we think, and the newest discoveries in space and theoretical physics have us on the brink of cracking one of the universe's greatest puzzles.

The latest science reveals what it would be like to build colonies on Mars, and how our future on the Red Planet might be closer than we think.

New discoveries are helping experts map the entire universe, and they are finding strange truths about the cosmos and its unimaginable size.

New discoveries of alien earths reveal vital clues in finding extraterrestrial life, using the latest science and technology, experts reveal the strange landscapes and oceans of these distant worlds.

New discoveries change everything known about black holes, and using the latest science and technology, experts reveal secrets to the mysteries behind these strange and deadly places.

New discoveries reveal that our Moon could be the next home for human life, triggering a new international space race to make it the home of humanity's first space colony.

Modern-day explorers are competing in a new space race to send the first people to Mars, and cutting-edge technology might make the Red Planet the next home for human life.

NASA's Juno mission is the closest we've ever explored Jupiter, and its incredible images reveal the Gas Giant's deepest secrets and how this deadly world helped create our solar system.

The aurora borealis is one of Earth's most incredible sights, and new discoveries finally explain why these mysterious lights appear and what they reveal about the Sun's sinister and deadly powers.

NASA's mission to Pluto gathered the first close-up pictures of this strange and distant world, and now, new discoveries and the latest science reveal the secrets of its alien features, which could point to extraterrestrial life.