Dr. Adrian Helmsley, part of a worldwide geophysical team investigating the effect on the earth of radiation from unprecedented solar storms, learns...
When an asteroid threatens to collide with Earth, NASA honcho Dan Truman determines the only way to stop it is to drill into its surface and detonate...
Volcanologist Harry Dalton comes to the sleepy town of Dante's Peak to investigate the recent rumblings of the dormant volcano the burg is named for....
