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...
When a solar eclipse sends a colossal blast of super chilled air towards the earth, it then sets off a catastrophic chain of events that threatens to...