Exogenesis, Arrival Of Nightmares

This is my first venture into Science Fiction Horror. Exogenesis, Arrival Of Nightmares. It is 2185 and Mankind has started to explore our solar system. We have placed early warning systems at the edge of our Solar System to warn us of any large meteors or asteroids entering our system. The base in orbit around Jupiter picks up a huge half mile long cylindrical object entering our system on a collision course with the Earth. As the view the footage, they are horrified to see this is not a rock, but a space craft of extraterrestrial origin. Back on Earth, Space Force Command sends a team of Space Marines aboard one of the largest starships mankind has. The Arcturus. They set out at light speed and when they reach the gargantuan ship, they find it to be a derelict. But whilst the original huge creatures that were the crew are discovered dead by the marines. They encounter the terrifying aliens that had lain waste to the original crew. The marines are now in a fight for their own survival and know they must stop this ship from reaching where it is bound for, Earth!!

Follow the journey from discovery of the derelict to the final terrifying ending, will the marines stop the alien vessel reaching Earth?