The Mysterious Dr. X

The Mysterious Dr. X was part of an anthology of Golden Age super hero tales published by Better Comics under the "Startling Comics" banner. The Dr. X story revolves around the eponymous hero, an expert in both science and the occult.

"Introducing Dr. X" (Series 1, Issue 1)
Dr. X hypnotizes his niece Cynthia and uses a machine to transport her astral self to the planet Inus, where naturally she gets in trouble and her boyfriend is recruited to rescue her.

"America is stunned as the ocean suddenly recedes, leaving ships stranded..." (Series 1, Issue 4)
Dr. X is recruited by the government to find out why the weather has gone crazy, so he sends Cynthia and her boyfriend Bob to the Moon to solve the mystery. There they come across an alien plan to possess humans so tat they can spy on Earth.