Explorers in China have uncovered a giant sinkhole in Guangxi province, revealing an ancient world hidden beneath the earth's ...

New discoveries from several archaeological sites in North and South America suggest that ancient people first arrived in the ...

As it stands, scientists have uncovered many of the "ancient worlds" hidden within China's extensive sinkhole systems, but as evidenced, new ones are being found even in more recent times. These giant ...

More than 100 metres (328ft) beneath them is a lost world of ancient forests, plants and animals. All they can see is leafy ...

Giant old trees are survivors. But their size and age do not protect them against everything. They face threats such as ...

While most of the sequoias demand you to gaze upwards, one remarkable tree, the "Father of the Forest," captures attention on its side. This ancient giant toppled long before Euro-Americans ...

More than 100 metres (328ft) beneath them is a lost world of ancient forests, plants and animals. All they can see is leafy tree tops and hear is the echoes of cicadas and birds bouncing off the ...

Their prehistoric ancestors were huge — up to ... the first humans to arrive in the Americas soon killed off these giant ground sloths through hunting, along with many other massive animals ...