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)
Schedule for Space & Beyond
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NASA's Unexplained Files
An astronomer records an unusual radio signal from beyond the solar system.
2026-07-24 04:37:00 +0000 UTC→2026-07-24 05:25:00 +0000 UTC(48m)
NASA's Unexplained Files
A photograph depicts two suns; Ghostly white swirls on the moon's surface baffle NASA scientists.
2026-07-24 03:49:00 +0000 UTC→2026-07-24 04:37:00 +0000 UTC(48m)
NASA's Unexplained Files
The Curiosity Rover finds something strange on Mars; detectives turn to NASA for help.
2026-07-24 03:01:00 +0000 UTC→2026-07-24 03:49:00 +0000 UTC(48m)
NASA's Unexplained Files
President Kennedy demands that the CIA share its UFO data with NASA; coded alien message on Mars.
2026-07-24 02:13:00 +0000 UTC→2026-07-24 03:01:00 +0000 UTC(48m)
NASA's Unexplained Files
Soviet photos of the moon are intercepted by the CIA; a malfunction aboard the ISS.
2026-07-24 01:25:00 +0000 UTC→2026-07-24 02:13:00 +0000 UTC(48m)
NASA's Unexplained Files
A probe carrying a message for aliens malfunctions without cause as it enters deep space.
2026-07-24 00:37:00 +0000 UTC→2026-07-24 01:25:00 +0000 UTC(48m)
NASA's Unexplained Files
A theory of Earth's abiogenesis may have started in the clouds of Venus.
2026-07-23 23:49:00 +0000 UTC→2026-07-24 00:37:00 +0000 UTC(48m)
NASA's Unexplained Files
Cosmonauts are trapped in a capsule in a frozen lake; a NASA scientist investigates the Hindenburg.
2026-07-23 22:58:00 +0000 UTC→2026-07-23 23:49:00 +0000 UTC(51m)
NASA's Unexplained Files
Astronomers notice a planet in Earth's vicinity capable of supporting life.
2026-07-23 22:10:00 +0000 UTC→2026-07-23 22:58:00 +0000 UTC(48m)
NASA's Unexplained Files
The discovery of geysers on a moon; NASA's mission to detect life.
2026-07-23 21:22:00 +0000 UTC→2026-07-23 22:10:00 +0000 UTC(48m)
NASA's Unexplained Files
A Mars mission captures an image of a strange structure on the planet.
2026-07-23 20:34:00 +0000 UTC→2026-07-23 21:22:00 +0000 UTC(48m)
NASA's Unexplained Files
Evidence of alien technology around a distant star; speculation about Pluto's surface.
2026-07-23 19:46:00 +0000 UTC→2026-07-23 20:34:00 +0000 UTC(48m)
NASA's Unexplained Files
Looking at how the comet of the century looks like an alien spacecraft.
2026-07-23 18:57:00 +0000 UTC→2026-07-23 19:46:00 +0000 UTC(49m)
NASA's Unexplained Files
New evidence could finally reveal the truth behind the mystery of the face on Mars.
2026-07-23 18:08:00 +0000 UTC→2026-07-23 18:57:00 +0000 UTC(49m)
NASA's Unexplained Files
Images of Mercury show spider-like formations; A space shuttle mission almost ends in disaster.
2026-07-23 17:19:00 +0000 UTC→2026-07-23 18:08:00 +0000 UTC(49m)
NASA's Unexplained Files
The power of atomic bombs; artificial rings; Neil Armstrong's transmission on the moon.
2026-07-23 16:30:00 +0000 UTC→2026-07-23 17:19:00 +0000 UTC(49m)
NASA's Unexplained Files
The swirling gases of Saturn form a perfect hexagon that has hovered above the planet for 30 years.
2026-07-23 15:39:00 +0000 UTC→2026-07-23 16:30:00 +0000 UTC(51m)
NASA's Unexplained Files
A distant planet shows an Earth-like atmosphere; a glowing light suggests an atmosphere on the Moon.
2026-07-23 14:50:00 +0000 UTC→2026-07-23 15:39:00 +0000 UTC(49m)
NASA's Unexplained Files
A piece of the sun seems to have vanished; the Hubble spots an unidentified object.
2026-07-23 13:59:00 +0000 UTC→2026-07-23 14:50:00 +0000 UTC(51m)
NASA's Unexplained Files
Life may have been found on Mars; mysterious Moon Pigeons.
2026-07-23 13:08:00 +0000 UTC→2026-07-23 13:59:00 +0000 UTC(51m)
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