Above the Estrella Mountains in SW Phoenix. I watched close to 15 objects coming up from behind the mountains. They were all the same size. They went up instead of across the sky like planes. The objects pulsated from red to white. There was no sound. They kept on a specific track with very little variation. Around 1500-2500 feet they hovered. I watched for about 4 minutes and then ran inside to get my phone to video. When I came back 3 remained. I video taped them for 1:50 minutes until they all disappeared. They were grouped in 3's. and would go up hover and then go into the cloud bank and disappear. My whole life I have truly believed we could not possibly be alone in this universe, but last night I was granted the privilege of watching what I believe to be actual evidence of extra terrestrial crafts.What I watched was nothing like I have witnessed before. I am in the flight path of Luke Air Force Base. I watch and hear all different kinds of planes and helicopters on a daily basis and I can tell you this was the most spectacular aerial show I have ever seen.