Mysterious, ultra low-frequency noises detected in Earth's atmosphere — and scientists can't explain them

Solar-powered balloons detected strange rumblings at a height of 70,000 feet above the Earth's surface. Scientists can't identify them.

Did Noah's flood really happen?

Noah's flood is a story much older than the Bible, and researchers are still learning about its roots.

Ancient Temple

Tongerlo, Abdij van Tongerlo (Ingang).

Marking time: Cosmic ray storms can pin precise dates on history from ancient Egypt to the Vikings

Astronomical outbursts leave telltale carbon-14 spikes in tree rings

Will Earth ever lose its moon?

The moon is slowly creeping away from Earth, but will we actually lose the moon before the sun turns into a red giant and destroys us both?

Top Ten Conspiracy Theories

From a faked moon landing to wild ideas about JFK's assassination, conspiracy theories and believers abound.

Auf Tour

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