根据给定的描述，为一个虚构的电影制作一个海报。
类型：科幻冒险
主演：Tom Hanks, Emma Stone
故事情节：一个小组探险家在火星上发现了一些神秘的遗迹，并发现了一个神秘能源的秘密。
[Image description: The poster features a rugged red terrain of Mars with a group of explorers in spacesuits standing in the foreground. In the center, there is a large glowing artifact, emitting a blue light that illuminates the faces of the characters. The top of the poster reads "DISCOVERY" in bold, sci-fi font, with "Tom Hanks" and "Emma Stone" listed as the starring actors below. At the bottom, the tagline reads "The secrets of Mars await." in smaller font.]