While the Earth has experienced countless climate variations during its long history, a longstanding hypothesis known as Snowball Earth, which postulates that Earth was almost completely covered in ...
A new study from CU Boulder finds that hundreds of millions of years ago, small single-celled organisms may have evolved into larger multicellular life forms to better propel themselves through icy ...
CU Boulder geologists Lizzy Trower and Carl Simpson win $1 million in support from W.M. Keck Foundation to try to solve an evolutionary puzzle and to extend Earth’s temperature record by 2 billion ...
Geologists have uncovered strong evidence from Colorado that massive glaciers covered Earth down to the equator hundreds of millions of years ago, transforming the planet into an icicle floating in ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results