The cone-like object, about 20 centimetres long with a flat base, was first photographed in 2022 by the Curiosity Rover while exploring Gale Crater on Mars. A party hat-shaped object spotted on Mars has sparked fresh debate among scientists, with some suggesting it could hint at something unusual, while others say there may be a far simpler explanation. The cone-like object, about 20 centimetres long wit... [1846 chars]