james kennett

An international team of scientists, led by Dr. James Kennett of the University of California Santa Barbara (USA), has discovered a similar compound of molten glass - formed at

Recent research has strengthened the theory that comets are the culprits that caused the mass extinction of ancient animals around 12,900 years ago.

An international team of scientists has discovered nearly 13,000 years old sediment at the bottom of Lake Cuitzeo in central Mexico. This sediment contains a group of strange