How the Universe Works
Cosmologists say there are black holes throughout the Universe, but they've never seen one.
2026-06-19 18:35:00 +0000 UTC→2026-06-19 19:25:00 +0000 UTC(50m)
Schedule for Space & Beyond
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UFOs: The Lost Evidence
A look at whether the desire for gold is the result of extraterrestrial landings in the past.
2026-06-22 17:36:00 +0000 UTC→2026-06-22 18:24:00 +0000 UTC(48m)
UFOs: The Lost Evidence
New evidence and modern-day UFO sightings have experts rethinking Native American myths.
2026-06-22 16:48:00 +0000 UTC→2026-06-22 17:36:00 +0000 UTC(48m)
UFOs: The Lost Evidence
Evidence suggests contact with aliens may have influenced humankind and many of its sacred sites.
2026-06-22 16:00:00 +0000 UTC→2026-06-22 16:48:00 +0000 UTC(48m)
UFOs: The Lost Evidence
The Royal Air Force regularly encounters UFOs, but the British government denies the sightings.
2026-06-22 15:12:00 +0000 UTC→2026-06-22 16:00:00 +0000 UTC(48m)
UFOs: The Lost Evidence
The U.S. government continues to deny the existence of extraterrestrials.
2026-06-22 14:24:00 +0000 UTC→2026-06-22 15:12:00 +0000 UTC(48m)
UFOs: The Lost Evidence
Investigators reveal the secret history of U.S. presidents and UFOs.
2026-06-22 13:36:00 +0000 UTC→2026-06-22 14:24:00 +0000 UTC(48m)
UFOs: The Lost Evidence
An exploration into whether breakthroughs are the result of human efforts or contact with UFOs.
2026-06-22 12:48:00 +0000 UTC→2026-06-22 13:36:00 +0000 UTC(48m)
UFOs: The Lost Evidence
There are landmark cases of alien abduction that scholars struggle to refute.
2026-06-22 12:00:00 +0000 UTC→2026-06-22 12:48:00 +0000 UTC(48m)
UFOs: The Lost Evidence
Researchers investigate what really happened during encounters between police and UFOs.
2026-06-22 11:12:00 +0000 UTC→2026-06-22 12:00:00 +0000 UTC(48m)
UFOs: The Lost Evidence
Evidence reveals the development of Nazi weapons not long after an alleged UFO crash.
2026-06-22 10:24:00 +0000 UTC→2026-06-22 11:12:00 +0000 UTC(48m)
UFOs: The Lost Evidence
UFO sightings by pilot and astronaut experts are far more common than we're lead to believe.
2026-06-22 09:36:00 +0000 UTC→2026-06-22 10:24:00 +0000 UTC(48m)
UFOs: The Lost Evidence
Investigating whether deathbed confessions provide real evidence of the existence of UFOs.
2026-06-22 08:48:00 +0000 UTC→2026-06-22 09:36:00 +0000 UTC(48m)
UFOs: The Lost Evidence
New evidence pointing to the possibility that ancient man was visited by extraterrestrials.
2026-06-22 07:59:00 +0000 UTC→2026-06-22 08:48:00 +0000 UTC(49m)
UFOs: The Lost Evidence
From the lore and history of ancient Egypt, to the myths of Native Americans, and even the art of the Renaissance period, mankind's past is riddled with the evidence of UFOs.
2026-06-22 07:11:00 +0000 UTC→2026-06-22 07:59:00 +0000 UTC(48m)
UFOs: The Lost Evidence
The ultra top-secret military base in the remote deserts of Utah known as Area 52.
2026-06-22 06:23:00 +0000 UTC→2026-06-22 07:11:00 +0000 UTC(48m)
UFOs: The Lost Evidence
Newly declassified documents are leading UFO researchers to believe UFOs may inhabit our oceans.
2026-06-22 05:33:00 +0000 UTC→2026-06-22 06:23:00 +0000 UTC(50m)
Return to the Moon: Seconds to Arrival
Engineers count down the final moments of a milestone in space travel.
2026-06-22 04:46:00 +0000 UTC→2026-06-22 05:33:00 +0000 UTC(47m)
The Planets and Beyond
Exploring dwarf planets, home to some of the universe's biggest secrets.
2026-06-22 03:58:00 +0000 UTC→2026-06-22 04:46:00 +0000 UTC(48m)
The Planets and Beyond
Astronaut Mike Massimino uncovers the strange secrets of Earth's solar system.
2026-06-22 03:10:00 +0000 UTC→2026-06-22 03:58:00 +0000 UTC(48m)
The Planets and Beyond
Astronaut Mike Massimino explores Mercury, a deadly and tiny planet that faces constant attacks.
2026-06-22 02:21:00 +0000 UTC→2026-06-22 03:10:00 +0000 UTC(49m)
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