Every year, scientists find about 18,000 new animal or plant species, but this number is still very small compared to the mysterious creatures in nature that we have never heard
Just a few kilometers away from the Black Sea Lake, the Movile Cave in Romania is opened after a completely sealed 5.5 million year period.
Scientists constantly discover new species in the Mekong sub-region, but this area is also facing an ecological crisis.
Thousands of years ago, Homo sapiens began building a close relationship with a single-celled mushroom.