Petroglyphs on sandstone at a national park in Chad bear witness to wildlife that once roamed the area before the continent’s ...
Forte and colleagues now believe Antarctica’s gravity hole was weaker before eventually intensifying around 30 to 50 million years ago. This corresponds to large-scale changes in the continent’s ...
The study’s authors emphasize the importance of continued monitoring across different regions. Scientists 'surprised' by findings from new Arctic study on polar bears: 'People don't see it ... people ...