5 Mysteries of the Universe That Remain Unsolved!

While research is still discovering new interesting planets or studying the movements of meteors almost every month, some basic questions about the universe are still of greater interest to researchers. After all, science knows little about the origin, composition or evolution of the universe.

All knowledge – and thus the basis for current research – is based on assumptions that researchers either want to confirm or refute. But what are the really big questions and mysteries surrounding the universe? What are the questions about our existence that astro-research is currently dealing with?