Can you lose weight by cycling?

Can cycling really help with weight loss? I've heard it's a great cardio workout, but I'm not sure if it's enough to shed some pounds. How many miles should I aim to cycle each week to see results? And what about my diet - do I need to make changes there as well? I'm looking for a comprehensive approach to shedding some weight and cycling seems like a good place to start. Can you provide some tips and advice on how to make the most of cycling for weight loss?