A striking Martian landscape filled with coral-like patterns is offering scientists a new window into the planet’s distant past, with observations from HiRISE revealing layered deposits that may ...

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 ...

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 ...