Researchers at the National Center for Atmospheric Research (NCAR) in Boulder, Colorado have discovered how airplanes create hole-punch clouds when flying under specific atmospheric conditions and how their creation can temporarily change local weather conditions. These clouds – so called ...

Researchers from Cornell University have confirmed that the mysterious Tunguska explosion was caused by a comet. In 1908, this explosion levelled 830 square miles of the Siberian forest. Now the new findings have been validated, strangely enough by the exhaust ...