The Washington Post has a couple of great sources if you want to know more about the Hobby Lobby case the Supreme Court is considering right now. In a nutshell, Hobby Lobby is a Christian company that doesn’t want to provide access to certain kinds of birth control that can work as abortifacients instead of as contraceptives.1
To get even more of a background in the case, I recommend Jaime Fuller’s Here’s what you need to know about the Hobby Lobby case. For legal analysis of the constitutional issues, I recommend Prof. Michael McConnell’s post at Volokh Conspiracy (which now operates within the WaPo). These two articles will give you a solid understanding of this controversial and well-known court case.