What career fits this description?

I'm leaning towards science. I am very logical, and I have great reasoning skills, and mathematical, I'm also exceptional at spelling. I agree mostly with the theory of evolution and I believe in the laws of physics etc. But I don't know what I like most. I love science fiction and sometimes I wonder about life on other planets that explains my love for learning of space. But I like learning about animals and studying recently discovered species and insects. And my last fascination is with mechanics, I'm 15 and I can't make up my mind,