Top 9 Unanswered Mysteries NASA is Still Exploring

Delve into the mysteries that continue to perplex NASA scientists and astronomers worldwide. Despite decades of exploration and technological advancement.


NASA continues to grapple with the elusive nature of dark matter, a mysterious substance that comprises the majority of the universe's mass yet remains undetectable.

Dark Matter

The enigmatic force known as dark energy, driving the accelerated expansion of the universe, poses another perplexing puzzle for NASA scientists.

Dark Energy

Despite decades of exploration, NASA has yet to definitively answer the age-old question: Are we alone in the universe? From the icy moons of Jupiter to the distant exoplanets.

Beyond Earth

Delving into the origins of the cosmos, NASA grapples with fundamental questions about the birth of the universe itself.


The presence of methane on Mars poses a tantalizing mystery for NASA researchers. Is it a sign of biological activity beneath the Martian surface.

Methane Mystery

Jupiter's moon Europa harbors a vast subsurface ocean beneath its icy crust, raising questions about its potential habitability.


The absence of "ice giant" planets similar to Uranus and Neptune in other solar systems remains a perplexing mystery.

Solar System's

The recent discovery of interstellar objects passing through our solar system, such as 'Oumuamua, raises intriguing questions about the prevalence of such visitors.