What on Earth?
Experts investigate a hidden tunnel containing the remains of an abandoned slate mine.
2026-06-25 15:25:00 +0000 UTC→2026-06-25 16:13:00 +0000 UTC(48m)
Schedule for Space & Beyond
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How the Universe Works
New discoveries about neutron stars, strange and violent phenomena that defy the laws of physics.
2026-06-26 17:53:00 +0000 UTC→2026-06-26 18:41:00 +0000 UTC(48m)
How the Universe Works
Mankind comes closer to keeping Earth safe from killer space rocks.
2026-06-26 17:05:00 +0000 UTC→2026-06-26 17:53:00 +0000 UTC(48m)
How the Universe Works
The Earth and the planets were formed from the destruction of alien worlds that came before us.
2026-06-26 16:17:00 +0000 UTC→2026-06-26 17:05:00 +0000 UTC(48m)
How the Universe Works
Gravitational waves are helping scientists explore the cosmos in revolutionary, new ways.
2026-06-26 15:28:00 +0000 UTC→2026-06-26 16:17:00 +0000 UTC(49m)
How the Universe Works
Interstellar space is not empty and unremarkable as previously thought.
2026-06-26 14:40:00 +0000 UTC→2026-06-26 15:28:00 +0000 UTC(48m)
How the Universe Works
The Rosetta mission is a groundbreaking expedition to land on a comet for the very first time.
2026-06-26 13:52:00 +0000 UTC→2026-06-26 14:40:00 +0000 UTC(48m)
How the Universe Works
The death of giant stars creates the elements that are essential to all life in the universe.
2026-06-26 13:04:00 +0000 UTC→2026-06-26 13:52:00 +0000 UTC(48m)
How the Universe Works
The mystery of the M87 supermassive black hole and how it controls the entire galaxy.
2026-06-26 11:28:00 +0000 UTC→2026-06-26 13:04:00 +0000 UTC(1h36m)
How the Universe Works
New discoveries reveal a supermassive black hole from the earliest days of the cosmos.
2026-06-26 10:40:00 +0000 UTC→2026-06-26 11:28:00 +0000 UTC(48m)
How the Universe Works
Fresh data from NASA's Cassini spacecraft helps scientists make brand-new discoveries about Saturn.
2026-06-26 09:52:00 +0000 UTC→2026-06-26 10:40:00 +0000 UTC(48m)
UFOs: The Lost Evidence
The U.S. government continues to deny the existence of extraterrestrials.
2026-06-26 09:04:00 +0000 UTC→2026-06-26 09:52:00 +0000 UTC(48m)
UFOs: The Lost Evidence
A look at whether the desire for gold is the result of extraterrestrial landings in the past.
2026-06-26 08:16:00 +0000 UTC→2026-06-26 09:04:00 +0000 UTC(48m)
UFOs: The Lost Evidence
The ultra top-secret military base in the remote deserts of Utah known as Area 52.
2026-06-26 07:28:00 +0000 UTC→2026-06-26 08:16:00 +0000 UTC(48m)
UFOs: The Lost Evidence
New evidence pointing to the possibility that ancient man was visited by extraterrestrials.
2026-06-26 06:40:00 +0000 UTC→2026-06-26 07:28:00 +0000 UTC(48m)
UFOs: The Lost Evidence
There are landmark cases of alien abduction that scholars struggle to refute.
2026-06-26 05:52:00 +0000 UTC→2026-06-26 06:40:00 +0000 UTC(48m)
UFOs: The Lost Evidence
UFO sightings by pilot and astronaut experts are far more common than we're lead to believe.
2026-06-26 05:04:00 +0000 UTC→2026-06-26 05:52:00 +0000 UTC(48m)
UFOs: The Lost Evidence
An exploration into whether breakthroughs are the result of human efforts or contact with UFOs.
2026-06-26 04:16:00 +0000 UTC→2026-06-26 05:04:00 +0000 UTC(48m)
UFOs: The Lost Evidence
The Royal Air Force regularly encounters UFOs, but the British government denies the sightings.
2026-06-26 03:28:00 +0000 UTC→2026-06-26 04:16:00 +0000 UTC(48m)
UFOs: The Lost Evidence
Evidence suggests contact with aliens may have influenced humankind and many of its sacred sites.
2026-06-26 02:39:00 +0000 UTC→2026-06-26 03:28:00 +0000 UTC(49m)
UFOs: The Lost Evidence
Investigators reveal the secret history of U.S. presidents and UFOs.
2026-06-26 01:51:00 +0000 UTC→2026-06-26 02:39:00 +0000 UTC(48m)
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