About 250 million years ago all of the continents were joined in a single land mass called Pangea. Then they broke up and drifted apart to their present positions. Plate tectonic projections forecast that 250 million years from now, the continents will once again join up into a single land mass now dubbed Pangea Ultima. JRR Tolkien couldn't have dreamt up a better Middle Earth.
Scientists discover possible microbe from space. Scientists has recovered microorganisms in the upper reaches of the atmosphere that may have originated from outer space. The living bacteria, are unlike any known on Earth, but the astrobiologists want to keep the details under wraps until they are absolutely convinced that these are extraterrestrial. Do not adjust your set...