What on Earth?
Experts investigate a hidden tunnel containing the remains of an abandoned slate mine.
2026-06-18 08:07:00 +0000 UTC→2026-06-18 08:55:00 +0000 UTC(48m)
Schedule for Space & Beyond
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NASA's Unexplained Files
A theory of Earth's abiogenesis may have started in the clouds of Venus.
2026-06-21 06:20:00 +0000 UTC→2026-06-21 07:08:00 +0000 UTC(48m)
NASA's Unexplained Files
Cosmonauts are trapped in a capsule in a frozen lake; a NASA scientist investigates the Hindenburg.
2026-06-21 05:30:00 +0000 UTC→2026-06-21 06:20:00 +0000 UTC(50m)
NASA's Unexplained Files
Astronomers notice a planet in Earth's vicinity capable of supporting life.
2026-06-21 04:42:00 +0000 UTC→2026-06-21 05:30:00 +0000 UTC(48m)
NASA's Unexplained Files
The discovery of geysers on a moon; NASA's mission to detect life.
2026-06-21 03:54:00 +0000 UTC→2026-06-21 04:42:00 +0000 UTC(48m)
NASA's Unexplained Files
A Mars mission captures an image of a strange structure on the planet.
2026-06-21 03:06:00 +0000 UTC→2026-06-21 03:54:00 +0000 UTC(48m)
NASA's Unexplained Files
Evidence of alien technology around a distant star; speculation about Pluto's surface.
2026-06-21 02:18:00 +0000 UTC→2026-06-21 03:06:00 +0000 UTC(48m)
NASA's Unexplained Files
NASA tracks an asteroid heading towards Earth but make an incredible discovery.
2026-06-21 01:29:00 +0000 UTC→2026-06-21 02:18:00 +0000 UTC(49m)
NASA's Unexplained Files
Lost tapes show that Apollo astronauts heard unexplained transmissions on the far side of the moon.
2026-06-21 00:40:00 +0000 UTC→2026-06-21 01:29:00 +0000 UTC(49m)
NASA's Unexplained Files
Two astronauts trapped in the vacuum of space face a horrible death.
2026-06-20 23:51:00 +0000 UTC→2026-06-21 00:40:00 +0000 UTC(49m)
NASA's Unexplained Files
The Rosetta spacecraft discovers a comet that appears to be singing.
2026-06-20 23:02:00 +0000 UTC→2026-06-20 23:51:00 +0000 UTC(49m)
NASA's Unexplained Files
Astronauts evacuate when a mystery object hurtles toward the International Space Station.
2026-06-20 22:13:00 +0000 UTC→2026-06-20 23:02:00 +0000 UTC(49m)
NASA's Unexplained Files
Recently discovered documents show NASA's secret plan B for failure of the first moon landing.
2026-06-20 21:24:00 +0000 UTC→2026-06-20 22:13:00 +0000 UTC(49m)
NASA's Unexplained Files
Three cosmonauts mysteriously die as they re-enter Earth's atmosphere and NASA needs to know why.
2026-06-20 20:35:00 +0000 UTC→2026-06-20 21:24:00 +0000 UTC(49m)
NASA's Unexplained Files
An Apollo 17 photo seems to show a US military outpost on the Moon.
2026-06-20 19:43:00 +0000 UTC→2026-06-20 20:35:00 +0000 UTC(52m)
NASA's Unexplained Files
Looking at how the comet of the century looks like an alien spacecraft.
2026-06-20 18:54:00 +0000 UTC→2026-06-20 19:43:00 +0000 UTC(49m)
NASA's Unexplained Files
New evidence could finally reveal the truth behind the mystery of the face on Mars.
2026-06-20 18:05:00 +0000 UTC→2026-06-20 18:54:00 +0000 UTC(49m)
NASA's Unexplained Files
Images of Mercury show spider-like formations; A space shuttle mission almost ends in disaster.
2026-06-20 17:16:00 +0000 UTC→2026-06-20 18:05:00 +0000 UTC(49m)
NASA's Unexplained Files
The power of atomic bombs; artificial rings; Neil Armstrong's transmission on the moon.
2026-06-20 16:27:00 +0000 UTC→2026-06-20 17:16:00 +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.
2026-06-20 15:36:00 +0000 UTC→2026-06-20 16:27:00 +0000 UTC(51m)
NASA's Unexplained Files
A distant planet shows an Earth-like atmosphere; a glowing light suggests an atmosphere on the Moon.
2026-06-20 14:47:00 +0000 UTC→2026-06-20 15:36:00 +0000 UTC(49m)
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