A reappraisal of decades-old data suggests that strange circular formations on Venus could be volcanic “rings of fire” ...

When we think of earthquakes, we imagine sudden, violent shaking. But deep beneath the Earth's surface, some faults move in near silence. These slow, shuffling slips and their accompanying hum -- ...

The finding could explain the long-running mystery of why the surfaces of the lunar near and far sides are so different.

Scientists have found new evidence for how our fossil human relatives in South Africa may have used their hands. Researchers investigated variation in finger bone morphology to determine that South ...

Mountains rise, volcanoes spew, and Earth itself quakes as the crust constantly remakes itself in the ceaseless cycle of ...