Any Martians out there may want to be on the lookout.Astronomers say an asteroid hurtling through space may be on a collision course with the red planet and could strike late next month.

• 或许火星上的宇航员都希望来一观此景，天文学家观测到一颗小行星疾驰过太空并称按该行星运行的轨道，它将于下个月与一颗红色星球相撞。