NASA rover spots bizarre Mars ‘spiderwebs’ that could be clue to planet’s presence of water

NASA's Curiosity rover has spent six months exploring the site to investigate if they are a clue to the presence of water.

NASA rover spots bizarre Mars ‘spiderwebs’ that could be clue to planet’s presence of water
NASA's Curiosity rover has spent six months exploring the site to investigate if they are a clue to the presence of water.