The Curiosity rover has photographed what looks like a man-made 'entrance' to a rock
An image captured on 7 May by the Mastcam-Z camera on board NASA's Curiosity rover has revealed a rather interesting feature in the Martian rocks, on a geological feature known as the Fronton Greenhue slope: something resembling a perfectly carved doorway, looking unusual among the Martian landscape. The image of this geological feature has the potential to inspire science fiction films about portals leading to other universes or tunnels to the centre of the planet, Science Alert writes, calling the discovery "eerie"... →