Hegra, Petra’s forgotten twin (video)
Like Petra, Hegra boasts stunning sandstone cliffs and carved rock formations that have withstood the test of time
NASA’s new rover just shot a rock with its laser (audio)
"You’re listening to the first audio recordings of laser strikes on Mars"
Hayabusa-2: Pieces of an asteroid found inside space capsule
Scientists have been greeted by the sight of jet black chunks of rock and soil from an asteroid after opening a capsule that returned from deep space a week ago