A simple cocktail of gases could have induced the psychic trances that the Pythia used to channel the gods and dish out their advice.

The world's first artificial liver has been grown from stem cells by British scientists. The resulting "mini-liver" is the size of a small coin.

Pictures of spirits turn out to be photographic errors or outright hoaxes.

Halloween is the halfway point between the autumnal equinox and winter solstice, the last of four "cross-quarter" days on the solar calendar.

PaPeRo robot nanny is the latest in a series of robots for the home.

During a three-week scientific expedition to French Frigate Shoals in the Northwestern Hawaiian Islands Marine National Monument, researchers found several potentially new species of crabs, corals, sea cucumbers, sea quirts, worms, sea stars, snails and clams.