Write a sci-fi story about a group of astronauts who discover an abandoned alien spaceship on a distant planet

Write a sci-fi story about a group of astronauts who discover an abandoned alien spaceship on a distant planet. As they explore the ship, they uncover clues that suggest the aliens were trying to escape a dangerous threat, and soon realize that the threat is still present on the planet. The astronauts must race against time to find a way to stop the threat before it destroys them and the planet.