The chilling discovery of an event that happened 3,800 years ago in the Atacama death desert serves as a grim warning of a repeatable disaster, far beyond what modern human warning
For the first time, scientists have captured unequivocal evidence of a white dwarf star ripping and swallowing parts of its own planet.
As it turns out, the deadliest extinction event on Earth in the past also had another feature - it was extremely 'smelly'.
Earth's crust contains many important elements to support life, but only 1% of the volume of the blue planet.