The Japanese Hayabusa2 mission to asteroid Ryugu marks a major milestone this weekend with the return of pristine space rock.
A new study tests a device that can efficiently split the resource’s water into pure oxygen and hydrogen in Martian conditions.
An exercise in pure mathematics has led to a wide-ranging theory that unites Plato with geophysics.
As glaciers retreat and permafrost thaws, massive landslides threaten coastal communities. Those, in turn, could trigger giant sea waves.