What on Earth?
Experts investigate a possible response to a message sent to an alien star cluster in 1974.
2026-06-02 03:04:00 +0000 UTC→2026-06-02 03:52:00 +0000 UTC(48m)
Schedule for Space & Beyond
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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)
How the Universe Works
New research suggests that white dwarfs may be the key to understanding the universe itself.
2026-06-04 21:35:00 +0000 UTC→2026-06-04 22:23:00 +0000 UTC(48m)
How the Universe Works
New discoveries cause astronomers to question if the Big Bang really happened.
2026-06-04 20:46:00 +0000 UTC→2026-06-04 21:35:00 +0000 UTC(49m)
How the Universe Works
New discoveries about neutron stars, strange and violent phenomena that defy the laws of physics.
2026-06-04 19:58:00 +0000 UTC→2026-06-04 20:46:00 +0000 UTC(48m)
How the Universe Works
Mankind comes closer to keeping Earth safe from killer space rocks.
2026-06-04 19:10:00 +0000 UTC→2026-06-04 19:58:00 +0000 UTC(48m)
How the Universe Works
The Earth and the planets were formed from the destruction of alien worlds that came before us.
2026-06-04 18:22:00 +0000 UTC→2026-06-04 19:10:00 +0000 UTC(48m)
How the Universe Works
Gravitational waves are helping scientists explore the cosmos in revolutionary, new ways.
2026-06-04 17:34:00 +0000 UTC→2026-06-04 18:22:00 +0000 UTC(48m)
How the Universe Works
Interstellar space is not empty and unremarkable as previously thought.
2026-06-04 16:46:00 +0000 UTC→2026-06-04 17:34:00 +0000 UTC(48m)
How the Universe Works
The Rosetta mission is a groundbreaking expedition to land on a comet for the very first time.
2026-06-04 15:58:00 +0000 UTC→2026-06-04 16:46:00 +0000 UTC(48m)
How the Universe Works
The death of giant stars creates the elements that are essential to all life in the universe.
2026-06-04 15:10:00 +0000 UTC→2026-06-04 15:58:00 +0000 UTC(48m)
How the Universe Works
The mystery of the M87 supermassive black hole and how it controls the entire galaxy.
2026-06-04 13:34:00 +0000 UTC→2026-06-04 15:10:00 +0000 UTC(1h36m)
How the Universe Works
New discoveries reveal a supermassive black hole from the earliest days of the cosmos.
2026-06-04 12:46:00 +0000 UTC→2026-06-04 13:34:00 +0000 UTC(48m)
How the Universe Works
Fresh data from NASA's Cassini spacecraft helps scientists make brand-new discoveries about Saturn.
2026-06-04 11:58:00 +0000 UTC→2026-06-04 12:46:00 +0000 UTC(48m)
UFOs: The Lost Evidence
The U.S. government continues to deny the existence of extraterrestrials.
2026-06-04 11:10:00 +0000 UTC→2026-06-04 11:58:00 +0000 UTC(48m)
UFOs: The Lost Evidence
A look at whether the desire for gold is the result of extraterrestrial landings in the past.
2026-06-04 10:22:00 +0000 UTC→2026-06-04 11:10:00 +0000 UTC(48m)
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