A survey of PCT thru-hikers found a big leap in costs in recent years. Surveys of the Appalachian and Continental Divide ...

A University of Kansas researcher has spent years studying "aquaterra"—his term for regions around the world once populated ...

KEY POINTSNumerous significant drill-ready targets defined at Green Bay using extensive geophysical surveysA total of 325 geophysical targets have so far been identified which are considered to be loo ...

Scientists have just published the most detailed map of Antartica's seafloor revealing ultra-deep canyons reaching up to 4,000 meters.