Conventional science essentially stopped that day because there was no legitimate reason to continue scientific research if someone just gave you all the answers. What we have then, in today's conventional science, is basically science as it existed prior to 1941 with a very few advancements that have leaked out from behind the secrecy curtain or which became too obvious to suppress. So is Chemistry and the others. It is at a level of hands on assembly - molecule by molecule of whatever you want. All possible diseases have been cataloged and there is a simple, painless, cure for all of them - available only to the elite, of course.
Earth produces enough food to feed three worlds equal to the Earth.
People starve here because of deliberate Government plans to control the population of the slave class. The underground cities use geothermal energy generated as a result of the Earth's rotation about the Sun which is inexhaustible and unlimited from any practical view. None has so far been successful. In the sixties, John Kennedy started the US Space program. He also wrote an executive order to the intelligence community instructing them to de-classify and release to the public all information known about UFO's.