The mechanisms by which African topographic changes influence South Asian precipitation. view more . Credit: Mingyu Zeng. The ...

Wellingotn: You have probably seen the images of the surface of Mars, beamed back by NASA's rovers. What if there were a time machine capable of roaming Earth during its remote geological past, ...

Sites and artifacts are revealing clues to the continent’s recent history. An archaeologist explains the findings and threats to this heritage Amber Dance, Knowable Magazine Gedi is another ...