A primitive ocean on Mars held more water than Earth’s Arctic Ocean, according to NASA scientists who, using ground-based observatories, measured water signatures in the Red Planet’s atmosphere. Scientists have been searching for answers to why this vast water supply left the surface. Details of the observations and computations appear in Thursday’s edition of Science […]
One hundred years ago, a group of men sailed to the northern coast of Alaska to find a land mass rumored to protrude from the Arctic Ocean. They did not find the land. After wintering in the north everyone hurried back to warmer places. Except for Ernest Leffingwell. Leffingwell, a geologist, teacher, and a veteran […]
WEST OF NUIQSUT — A sick snowmachine awaits rescue here on the snow-covered ice of this boot-shaped lake. After an 85-mile journey from our last stop at Umiat, one of the Ski Doo Skandics sputtered to a crawl a few miles from our intended campsite here. The loss of one of their essential research tools […]