Intricate crop circles of Buddhist symbol for infinite time and wisdom appears

This is the latest intricate crop circle to appear overnight in a British wheat field.

The mysterious pattern resembles the ancient Tibetan Buddhist symbol of an 'endless knot' - a complex loop of lines and circles used to illustrate the eternal flow of time.

UFO hunters: They are still watching

A group of British UFO-watchers is celebrating 50 years of searching for spacecraft in the sky. What keeps them looking for extra-terrestrial life?

The world's biggest meteor crater

Two billion years ago a meteorite 10km in diameter hit the earth about 100km southwest of Johannesburg, creating an enormous impact crater. This area, near Vredefort in the Free State, is now known as the Vredefort Dome.

Crop Circle Wars!

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