Physics (or science) related data science?

Hi all. I've been working as a software developer for the last two years. I'm interested in trying data science. But to do it in my spare time it would help to work on an area that I am interested in. Back in school (I went through an MS in Applied Math) I was used to working on science-relevant problems, especially in physics. Is anyone aware of data sets which are open to the public and maybe worthy of some …

data data science datascience physics science