If these rocks are indeed igneous, they might have come from nearby volcanic rock formations that have eroded away, or they could have been blasted out of the ground by an impact crater that ...

While the origin of the rock remains uncertain, NASA is of the view that pits on the Skull Hill may have been formed due to erosion, or it may have been dropped here by an "impact crater".

"We found that the momentum of the ensuing explosion is enough to eject the surrounding highly shocked rock material into ...

"Alternatively, ‘Skull Hill’ could be an igneous rock eroded from a nearby outcrop or ejected from an impact crater," Deahn continues. "On Earth and Mars, iron and magnesium are some of the ...

Close-up of the northwestern ice-sheet margin in Inglefield Land. The Hiawatha impact crater was discovered beneath the semi-circular ice margin. The structure is also imprinted on the shape of ...

with the potential of causing local devastation and creating an impact crater. Larger space rocks over 500 feet can cause deaths across metro areas and states depending on the impact location ...

Alternatively, NASA suggests that Skull Hill could be an igneous rock eroded from a nearby outcrop or ejected from an impact crater. 'On Earth and Mars, iron and magnesium are some of the main ...

it could have got where it is due to erosion or being ejected from an impact crater. Although Nasa has dubbed it ‘Skull Hill’, you can breathe easy that it is not literally a skull of an alien ...

Believed to be an eroded dome, rather than an impact crater, it resembles a fossilized ammonite when seen from Earth’s orbit. High in Japan’s northern Tohoku region, Mount Zao is home to this ...