Nabta Playa: The World’s First Astronomical Site Was Built in Africa and Is Older Than Stonehenge | Discover Magazine

This 7,000-year-old stone circle tracked the summer solstice and the arrival of the annual monsoon season. It’s the oldest known astronomical site on Earth.

Source: Nabta Playa: The World’s First Astronomical Site Was Built in Africa and Is Older Than Stonehenge | Discover Magazine

NASA has discovered strange artifacts on Mars. Is it about ancient alien life? – Fact Leaks

UFOvni2012 was the one to actually report the following discovery as he was scanning the plains of Mars hoping to uncover the truth that NASA doesn’t want us to know about. As he was inspecting the most recent batch of pictures that they released however he couldn’t help but notice a series of carved animal…

Source: NASA has discovered strange artifacts on Mars. Is it about ancient alien life? – Fact Leaks