SA's revolutionary fossil discovery to raise questions over human existence

The discovery has been kept secret for years & is said to involve the largest African trove of fossils.

Maropeng World Heritage Site in the Cradle of Humankind. Picture: Christa van der Walt/EWN

MAROPENG - The head of exploration at National Geographic says what Professor Lee Berger and his team have achieved with the latest fossil discovery is something most scientists never achieve.

Within the next two hours, the world will learn more about a discovery which looks set to raise questions about human existence.

The discovery has been kept secret for years and is said to involve the largest treasure trove of fossils ever found on the continent.

#FossilDiscovery In less than 3 hours an historical announcement will be made. Go to @ 11am

National Geographic's Chief Science and Exploration Officer Terry Garcia says discoveries like this are truly rare.

"Most people in this field spend a lifetime pursing something like this and never achieve it."

Deputy President Cyril Ramaphosa is expected to arrive at the Cradle of Humankind shortly to be part of the big reveal.

Scientists who were involved in the discovery and the set up ahead of today's big reveal say things have been chaotic, but exciting.

Once the global embargo falls at exactly 11am, the entire world will be able to access all the information available about what has been discovered.