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Unknown Universe

Jraijket

Details

The universe is filled with things we can observe but still cannot fully explain.Unknown Universe explores the biggest mysteries in astronomy and space science, from black holes and hidden oceans to distant worlds, dark matter, dark energy, and the strange physics shaping the cosmos.Each episode follows the evidence, separates what scientists know from what remains uncertain, and takes you to the edge of our understanding of the universe.

Recent Episodes

SEP 28, 2026
Why Is There Anything at All? The Mystery of the Missing Antimatter
The early universe should have produced matter and antimatter in almost equal amounts. When the two meet, they annihilate. So why did everything not disappear? Somehow, the young universe developed a tiny preference for matter. After almost all matter...
9 MIN
SEP 21, 2026
Inside a Neutron Star: Matter May Not Exist as We Know It
A neutron star can contain more mass than the Sun inside an object only tens of kilometers across. We understand its outer layers reasonably well. But travel deeper, toward pressures and densities impossible to reproduce directly in laboratories, and...
7 MIN
SEP 12, 2026
The Cold Spot: Why Is Part of the Universe Too Cold?
Across almost the entire sky lies ancient radiation released when the universe was still extremely young. Its tiny temperature variations eventually became galaxies, clusters, and the enormous cosmic web we see today. But hidden inside that remarkably...
9 MIN
AUG 12, 2026
The Hubble Tension: Why Does the Universe Give Us Two Answers?
Astronomers have developed remarkably precise ways to measure how quickly the universe is expanding. There is just one problem. Measurements of the nearby universe produce one answer, while predictions based on the early universe produce another. The...
7 MIN
AUG 12, 2026
Oumuamua: The Mysterious Object That Came From Another Star
In twenty seventeen, astronomers discovered an object moving through the Solar System on a trajectory unlike anything they had seen before. Oumuamua was not bound to the Sun. It had arrived from interstellar space and would eventually return there....
7 MIN