What on Earth?
Experts investigate a war-torn fortress with a connection to the ruins of a military installation.
2026-06-03 02:18:00 +0000 UTC→2026-06-03 03:06:00 +0000 UTC(48m)
Schedule for Space & Beyond
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How the Universe Works
New discoveries reveal how neutrinos pass through objects undetected.
2026-06-05 14:28:00 +0000 UTC→2026-06-05 15:16:00 +0000 UTC(48m)
How the Universe Works
We're counting down NASA's top six sci-fi film-worthy stars.
2026-06-05 13:40:00 +0000 UTC→2026-06-05 14:28:00 +0000 UTC(48m)
How the Universe Works
The universe's stars are dying off faster than new ones are born.
2026-06-05 12:52:00 +0000 UTC→2026-06-05 13:40:00 +0000 UTC(48m)
How the Universe Works
Time travel may be more possible now than ever imagined; experts are closer to discovering how.
2026-06-05 12:04:00 +0000 UTC→2026-06-05 12:52:00 +0000 UTC(48m)
How the Universe Works
Earth's journey is a perilous one and a new discovery reveals that the planet could be in danger.
2026-06-05 11:16:00 +0000 UTC→2026-06-05 12:04:00 +0000 UTC(48m)
How the Universe Works
A supernova hasn't occurred in 400 years, and the search is on to locate which star may be next.
2026-06-05 10:26:00 +0000 UTC→2026-06-05 11:16:00 +0000 UTC(50m)
How the Universe Works
New discoveries reveal how bacteria, viruses and other alien microorganisms built life on Earth.
2026-06-05 09:37:00 +0000 UTC→2026-06-05 10:26:00 +0000 UTC(49m)
How the Universe Works
New discoveries reveal the secrets of nebulas, where stars are born and die.
2026-06-05 08:49:00 +0000 UTC→2026-06-05 09:37:00 +0000 UTC(48m)
How the Universe Works
Some exoplanets resemble earth enough that one could be a new home for humanity.
2026-06-05 08:01:00 +0000 UTC→2026-06-05 08:49:00 +0000 UTC(48m)
How the Universe Works
New discoveries reveal the secrets of hundreds of strange, tiny worlds called dwarf planets.
2026-06-05 07:13:00 +0000 UTC→2026-06-05 08:01:00 +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.
2026-06-05 05:37:00 +0000 UTC→2026-06-05 07:13:00 +0000 UTC(1h36m)
How the Universe Works
The center of the Milky Way is home to strange and deadly phenomena that is difficult to understand.
2026-06-05 04:49:00 +0000 UTC→2026-06-05 05:37:00 +0000 UTC(48m)
How the Universe Works
Cosmologists say there are black holes throughout the Universe, but they've never seen one.
2026-06-05 03:59:00 +0000 UTC→2026-06-05 04:49:00 +0000 UTC(50m)
How the Universe Works
The discovery of extraterrestrial life might face a challenge: the physics of the universe itself.
2026-06-05 03:11:00 +0000 UTC→2026-06-05 03:59:00 +0000 UTC(48m)
How the Universe Works
Experts must discover new technology to protect astronauts from the Red Planet's deadliest killers.
2026-06-05 02:23:00 +0000 UTC→2026-06-05 03:11:00 +0000 UTC(48m)
How the Universe Works
A space ship of crash test dummies explore space's deadliest spots.
2026-06-05 01:35:00 +0000 UTC→2026-06-05 02:23:00 +0000 UTC(48m)
How the Universe Works
Mercury has a dangerous secret that may one day threaten life on Earth.
2026-06-05 00:47:00 +0000 UTC→2026-06-05 01:35:00 +0000 UTC(48m)
How the Universe Works
Latest discoveries suggest life beyond this planet; investigating if earth's life began elsewhere.
2026-06-04 23:59:00 +0000 UTC→2026-06-05 00:47:00 +0000 UTC(48m)
How the Universe Works
Uranus and Neptune are mysterious, icy worlds at the edge of the solar system.
2026-06-04 23:11:00 +0000 UTC→2026-06-04 23:59:00 +0000 UTC(48m)
How the Universe Works
New discoveries about dark matter and dark energy, which are locked in an epic battle.
2026-06-04 22:23:00 +0000 UTC→2026-06-04 23:11:00 +0000 UTC(48m)
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