You should read science fiction because:
-You can learn about science and fiction combined in one book
-There are different settings like: under the sea, on another planet etc.
A Wrinkle In Time by. Madeleine L'Engle it is science fiction novel that has won a Newbery award in 1963 and the book is about about a girl named Meg and her mom and brother who are searching for Meg's scientist father who disappeared while working for the government on the tesseract problem.
The reason you should read Science Fiction is that you can sometimes relate to it and you will be more interested on the book. It will also push you out of your comfort zone and you might enjoy it.
Here is a video of a guy sharing here opinion on why you should read Science Fiction.