Asteroid blast on the moon sculpted giant canyons in 10 seconds, revealing ancient lunar ...
The moon's Schrödinger impact basin near the south pole holds two grand canyons formed by an enormous asteroid collision 3.8 ...
Two buried 'supercontinents' hiding inside Earth could be much older than previously thought
Earth has a lot going on under the surface - even in what may have once seemed to be its most unassuming layer.