Here is an interesting lesson on theories about the Universe on Ted-Ed by Andrew Park and Chris Anderson. Through your school blogs, you can attend lessons from all over the world. Expand your mind and arouse your curiosity far beyond textbooks and syllabus and tests. This is learning from real life about discoveries in the present time.
You are all interested in space fiction and aliens. Here is one more lesson by the same teachers on why you and I do not ever make contact with aliens from outer space!