red light in sky move from one place to another and come together and make a big red ball

me and my parents were traveling to yakima,washington for vacation we were in nevada we were like 1 hour sinse we pased vegas or less and we had just passes by the sign that said area 51 when my mom spots funny looking redish light in the sky there was like 5.she tells me to wake up then she tells my dads then all of a sudden the light started to move like lighting then came together and made a big ball of red.my mom told me to get the video camera,when i got it i turned it on but when i turned it on ,it turn back off and i could not turn it on.at last i managed to turn it on at a gas tation we stoped at then we kept on going hoping we would see it again but we saw nothing.