Why is my cat suddenly urinating outside of the litter box?

My cat is seven months old and no, he is not neutered, and won't be. He has recently stared urinating and having bowel movements half the time in the litter box and half the time out. What can I do to correct this behavior? Why is he doing this? He acts...

She's urinating, literally right outside of her litter box- not anywhere else.

I have a ~2 years old male cat and, despite the fact that he used to, he doesn't use his litter-box anymore. I heard that he should be sterilized, but I feel quite bad for him. If that's the only option, I would like to find a cat for him to breed with...

He is a neutered 2 year old male. He is an inside/outside cat. He just started urinating in other rooms in the house. My son's bed,our bedroom rug and a piece of clothing on the floor are places that I have discovered urine.

My cat is almost a year old and is fixed and has never had this problem before. I looked into it a bit and can't seem to nail down why he would be doing this. He uses the litter box for any bowel movements he has, but won't urinate in there. He has been...

We got another kitten about 2 months ago, my older one didn't like her to begin with, but then were sleeping and playing together very well. Now Millie, the 1 year old will swat at the young one and hurt her for no reason. She has been hissing at us...

I have a 6 month old kitten who i picked up over the summer while driving home from work one night when she was only a few weeks old-poor thing, how could anyone drop off such a poor, young, gentle animal? Anyways, to make a long story short, i decided...