Massive recreations of the surfaces of the moon and Mars are being built inside the facility, as the state defends its stake ...

Imagine peeling back miles of frozen white and revealing valleys, rivers, and mountains that haven't seen sunlight in tens of millions of years. Long before Antarctica froze over, rivers carved ...

An alien landscape? One of the landmarks when Earth is seen from space is the thirty-mile-wide Richat Structure, or Eye of the Sahara, found in Mauritania (Figure I.1). Some thought the Richat ...

You do not need lava fields to find a truly otherworldly American landscape. Some of the strangest scenery in the country comes from gypsum, salt, sandstone, wind, ancient lakes, and millions of years ...