Denise Royal - All Headline News Staff Writer Cairo, Egypt (AHN) – Scientists make a huge discovery in the Saharan Desert. Boston University researchers found a huge crater in the Saharan desert, the largest one ever found there. The crater is about 19 miles wide, more than twice as big...

AP - Scientists have found what they believe are traces of the lost Indonesian civilization of Tambora, which was wiped out in 1815 by the biggest volcanic eruption in recorded history.

AP - Scientists have found what they believe are traces of the lost Indonesian civilization of Tambora, which was wiped out in 1815 by the biggest volcanic eruption in recorded history.

SPACE.com / LiveScience.com - NASA's Spirit Mars rover has arrived at a site dubbed "Home Plate" within Gusev crater. But what the robot found has left scientists puzzled.

SPACE.com / LiveScience.com - NASA's Spirit Mars rover has arrived at a site dubbed "Home Plate" within Gusev crater. But what the robot found has left scientists puzzled.

SPACE.com / LiveScience.com - NASA's revered Mars rovers, Spirit and Opportunity, are both on a roll toward new scientific objectives, but two years into their mission, the twin robots are each showing their age.