Smithsonian researchers trekked to a remote site in northern Canada to collect four-billion-year-old rock samples that could ...

Yooperlites can be found as loose pebbles and cobbles along many Lake Superior beaches and even in some inland gravel pits.

Researchers reveal a dynamic geologic past for Antarctica’s Transantarctic Mountains, uncovering ancient mountain-building ...

A new study led by University of Wisconsin-Oshkosh geologist Timothy Paulsen and University of Colorado Boulder ...

The findings may signify a much more dynamic Antarctic landscape history than previously recognized, including added support ...

Instead, researchers are now exploring the possibility that Skull Hill could be a chunk of igneous rock, formed from cooling magma and potentially ejected by an impact event or uncovered by erosion.