Our planet is known as the Blue Planet

Our planet is known as the Blue Planet. More than 70 percent of Earth is covered by oceans, yet they remain one of the greatest mysteries on our world. Scientists have explored the surface for centuries, but much of the deep ocean is still beyond our reach, hiding secrets that challenge our understanding of life. As we descend into the darkness of the Mariana Trench, sunlight disappears, pressure rises, and the environment becomes one of the most extreme places on Earth. Only specially designed submarines can survive these crushing depths, allowing explorers to witness a world that few humans have ever seen. Despite the darkness, extraordinary creatures thrive here, using glowing bioluminescence to hunt, communicate, and survive in complete isolation. At nearly 11 kilometers below the surface, the deepest part of the Mariana Trench reminds us how little we truly know about our own planet. Every expedition uncovers new discoveries, proving that Earth's oceans still hold countless