The Vredefort Dome is not at Vredefort — and it isn’t a visible dome. Looking for it is like seeking a ghost. It is there, vast, impressive, and startling in its scale, but prepare to be surprised by ...

Early in the morning of October 6, 2008, astronomers at the University of Arizona detected an asteroid on a collision course with Earth. When other sightings cropped up across the world, the ...

Artist's view of Earth several billion years ago during the Late Heavy Bombardment, when the planet is thought to have been battered by impacts of comets and asteroids. Credit: Chris Butler/SPL Earth ...

Migration‘ serves as the sequel to ‘Greenland‘ and takes place five years after the cataclysmic event triggered by the Clarke comet’s descent on Earth. Despite humanity’s best efforts to pull itself ...

COLUMBUS, Ohio — Planetary scientists have found evidence of a meteor impact much larger and earlier than the one that killed the dinosaurs — an impact that they believe caused the biggest mass ...

Over a century ago, on the morning of the June, 30, 1908, a stupendous explosion occurred over the Tunguska forest of Siberia. The resulting shock waves were detected on seismographs thousands of ...