Thursday, 10 September 2015 will go down in history as the day on which perhaps one of the most exciting scientific finds in recent history was unveiled to the world: a new species of human ancestor, Homo naledi, named after a cave system in South Africa's Cradle of Humankind World Heritage Site.

The fossils are on display at Maropeng for one month only - until 11 October, 2015. Book your tickets to see them here.

Less than an hour after Wits University Professor Lee Berger uttered the words: “I am pleased to introduce to you a new species: Homo naledi!”, the name of the new species started trending across the world.

Here is a snapshot of the excitement on social media.

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Homo naledi, features on Al Jazeera

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Homo naledi, features on the New York Times

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Homo naledi, features on CNN

You can read more about the discovery here.