Last Updated: Monday, January 06, 2014, 11:36
Researchers have suggested that the risk of eruption of a "supervolcano", hundreds times more powerful than conventional volcanoes -have potential to wipe out civilization - is more likely than believed earlier.
Last Updated: Wednesday, December 18, 2013, 17:21
The molten rock that lies beneath the Yellowstone National Park is much larger than previously thought, according to a new study.
Last Updated: Wednesday, February 13, 2013, 13:44
Life on Earth could be facing threat from a catastrophic "supervolcano" which seismologists believe is due to erupt in 200 million years` time.
Last Updated: Wednesday, November 16, 2011, 22:24
Scientist at NASA’s Goddard Space Flight Centre have found no evidence to support claims that there could be volcano supereruptions in 2012.
more videos >>