A river that drained the slopes of a now-vanished volcano may have carved Yosemite Valley's depths during the last 10 million ...

Despite the deep ocean floor coating some 66% of our planet's surface, we haven't explored 99.999% of it, study finds.

The discovery was made at the exploratory well 3-BRSA-1396D-SPS in the Aram block, 248km from Santos, São Paulo, Brazil.