Where could Uncle Bob have been? Chrissie: Well Antarctica is the coldest, driest and windiest continent in the world, so maybe he sheltered near those big mountains that run down the middle.

The most detailed map yet of the landscape beneath Antarctica's ice sheet has been ... and in the Transantarctic Mountains. The outline of deep valleys is better represented.

including the previously uncharted East Antarctica, which comprises 77 percent of the continent. Like viewing a completed jigsaw puzzle, the scientists were surprised when they stood back and took ...

which updates maps of icy Antarctica — particularly among the high mountains and isolated interior of the eastern part of the continent. As the name Bedmap3 implies, this is the third map of ...