NASA's Unexplained Files
An astronomer records an unusual radio signal from beyond the solar system.
2026-07-09 11:31:00 +0000 UTC→2026-07-09 12:19:00 +0000 UTC(48m)
Schedule for Space & Beyond
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How the Universe Works
New discoveries reveal the secrets of hundreds of strange, tiny worlds called dwarf planets.
2026-07-23 04:31:00 +0000 UTC→2026-07-23 05:19:00 +0000 UTC(48m)
How the Universe Works
Some exoplanets resemble earth enough that one could be a new home for humanity.
2026-07-23 03:43:00 +0000 UTC→2026-07-23 04:31:00 +0000 UTC(48m)
How the Universe Works
If a massive asteroid collides with Earth, it could end life on the planet as one knows it.
2026-07-23 02:07:00 +0000 UTC→2026-07-23 03:43:00 +0000 UTC(1h36m)
How the Universe Works
A supernova hasn't occurred in 400 years, and the search is on to locate which star may be next.
2026-07-23 01:16:00 +0000 UTC→2026-07-23 02:07:00 +0000 UTC(51m)
How the Universe Works
New discoveries reveal a supermassive black hole from the earliest days of the cosmos.
2026-07-23 00:28:00 +0000 UTC→2026-07-23 01:16:00 +0000 UTC(48m)
How the Universe Works
New discoveries reveal how neutrinos pass through objects undetected.
2026-07-22 23:40:00 +0000 UTC→2026-07-23 00:28:00 +0000 UTC(48m)
How the Universe Works
New discoveries about neutron stars, strange and violent phenomena that defy the laws of physics.
2026-07-22 22:52:00 +0000 UTC→2026-07-22 23:40:00 +0000 UTC(48m)
How the Universe Works
Spacetime is the secret structure that controls our universe, time, light, and energy.
2026-07-22 22:04:00 +0000 UTC→2026-07-22 22:52:00 +0000 UTC(48m)
How the Universe Works
We're counting down NASA's top six sci-fi film-worthy stars.
2026-07-22 21:16:00 +0000 UTC→2026-07-22 22:04:00 +0000 UTC(48m)
How the Universe Works
Mercury has a dangerous secret that may one day threaten life on Earth.
2026-07-22 20:28:00 +0000 UTC→2026-07-22 21:16:00 +0000 UTC(48m)
How the Universe Works
Cosmologists say there are black holes throughout the Universe, but they've never seen one.
2026-07-22 19:38:00 +0000 UTC→2026-07-22 20:28:00 +0000 UTC(50m)
How the Universe Works
Earth's journey is a perilous one and a new discovery reveals that the planet could be in danger.
2026-07-22 18:50:00 +0000 UTC→2026-07-22 19:38:00 +0000 UTC(48m)
How the Universe Works
The mystery of the M87 supermassive black hole and how it controls the entire galaxy.
2026-07-22 17:14:00 +0000 UTC→2026-07-22 18:50:00 +0000 UTC(1h36m)
How the Universe Works
The discovery of extraterrestrial life might face a challenge: the physics of the universe itself.
2026-07-22 16:26:00 +0000 UTC→2026-07-22 17:14:00 +0000 UTC(48m)
How the Universe Works
Uranus and Neptune are mysterious, icy worlds at the edge of the solar system.
2026-07-22 15:38:00 +0000 UTC→2026-07-22 16:26:00 +0000 UTC(48m)
How the Universe Works
The Rosetta mission is a groundbreaking expedition to land on a comet for the very first time.
2026-07-22 14:50:00 +0000 UTC→2026-07-22 15:38:00 +0000 UTC(48m)
How the Universe Works
Exploring discoveries that rewrite the history of the solar system, including the birth of the sun.
2026-07-22 13:14:00 +0000 UTC→2026-07-22 14:50:00 +0000 UTC(1h36m)
How the Universe Works
The death of giant stars creates the elements that are essential to all life in the universe.
2026-07-22 12:26:00 +0000 UTC→2026-07-22 13:14:00 +0000 UTC(48m)
How the Universe Works
The center of the Milky Way is home to strange and deadly phenomena that is difficult to understand.
2026-07-22 11:37:00 +0000 UTC→2026-07-22 12:26:00 +0000 UTC(49m)
How the Universe Works
Interstellar space is not empty and unremarkable as previously thought.
2026-07-22 10:49:00 +0000 UTC→2026-07-22 11:37:00 +0000 UTC(48m)
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