Archaeologists at Atlanta's Fernbank Museum of Natural History have discovered unprecedented evidence that helps map Hernando de Soto's journey through the Southeast in 1540.

Archaeologists have discovered Stonehenge's little sister - just a mile from the famous monument. The prehistoric circle, unearthed in secret over the summer, is one of the most important prehistoric finds in decades.

A massive altar dedicated to an eastern cult deity has emerged during excavations of a Roman fort in northern England.

Plants don't get anxious in the same way that humans do. But they do suffer from stress, and they deal with it in much the same way. They produce a chemical signal -- superoxide (O2-)

As if they weren't considered beastly enough, black holes can dive into nearby stars and devour them from the inside out, scientists now suggest. Such invasions by such black holes could help explain the most powerful explosions in the universe.

The dramatic rearing horsehead nebula and mysterious glowing Bow of Orion are just two of the unforgettable images that have been entered into the Astronomy Photographer of the Year 2009 competition. More than 500 entries from around the world - from

Europe's Stone Age has taken an edgy turn. A new analysis finds that human ancestors living in what is now Spain fashioned double-edged stone cutting tools as early as 900,000 years ago.

Saturn's moon, Titan, has been the subject of excited rumours about possible extra-terrestrial life, and now it seems that the moon is shrouded in fog as well as mystery.

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