How the Universe Works
The death of giant stars creates the elements that are essential to all life in the universe.
2026-07-22 12:26:00 +0000 UTC→2026-07-22 13:14:00 +0000 UTC(48m)
Schedule for Space & Beyond
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Space Shuttle Columbia: The Final Flight
Mission Control loses contact with the crew; East Texas residents mobilize.
2026-07-24 16:38:00 +0000 UTC→2026-07-24 17:26:00 +0000 UTC(48m)
Space Shuttle Columbia: The Final Flight
A debris strike on the shuttle's left wing raises alarms at NASA; the crew continues their mission.
2026-07-24 15:50:00 +0000 UTC→2026-07-24 16:38:00 +0000 UTC(48m)
Space Shuttle Columbia: The Final Flight
Seven astronauts go on Space Shuttle Columbia mission, unaware of the tragic fate that awaits.
2026-07-24 15:02:00 +0000 UTC→2026-07-24 15:50:00 +0000 UTC(48m)
NASA's Unexplained Files
After Neil Armstrong's moonwalk, he leads an expedition into the Amazon to find a legendary library.
2026-07-24 14:14:00 +0000 UTC→2026-07-24 15:02:00 +0000 UTC(48m)
NASA's Unexplained Files
A discovery by NASA's Mars Curiosity rover reveals a possible war occurred 300 million years ago.
2026-07-24 13:26:00 +0000 UTC→2026-07-24 14:14:00 +0000 UTC(48m)
NASA's Unexplained Files
Experts investigate if a nearby exoplanet could be the home to an alien civilization.
2026-07-24 12:38:00 +0000 UTC→2026-07-24 13:26:00 +0000 UTC(48m)
NASA's Unexplained Files
Experts raise questions when NASA begins a strange experiment to communicate with dolphins.
2026-07-24 11:49:00 +0000 UTC→2026-07-24 12:38:00 +0000 UTC(49m)
NASA's Unexplained Files
After NASA's New Horizons spacecraft flies by Pluto, it encounters a strange alien world.
2026-07-24 11:01:00 +0000 UTC→2026-07-24 11:49:00 +0000 UTC(48m)
NASA's Unexplained Files
Astronomers investigate the possible danger of a black hole speeding through the Milky Way.
2026-07-24 10:13:00 +0000 UTC→2026-07-24 11:01:00 +0000 UTC(48m)
NASA's Unexplained Files
A former Area 51 insider alleges that the Roswell UFO incident was a Soviet conspiracy.
2026-07-24 09:25:00 +0000 UTC→2026-07-24 10:13:00 +0000 UTC(48m)
NASA's Unexplained Files
NASA discovers something strange on Saturn's biggest moon; disturbing evidence.
2026-07-24 08:37:00 +0000 UTC→2026-07-24 09:25:00 +0000 UTC(48m)
NASA's Unexplained Files
An orbiting object looks like the Death Star; the death of Yuri Gagarin; a satellite vanishes.
2026-07-24 07:49:00 +0000 UTC→2026-07-24 08:37:00 +0000 UTC(48m)
NASA's Unexplained Files
Something strange on the lunar surface; phenomenon responsible for mass deaths.
2026-07-24 07:01:00 +0000 UTC→2026-07-24 07:49:00 +0000 UTC(48m)
NASA's Unexplained Files
When the Soviet Union unveils its own space shuttle, the CIA hatches a secret revenge plot.
2026-07-24 06:13:00 +0000 UTC→2026-07-24 07:01:00 +0000 UTC(48m)
NASA's Unexplained Files
A NASA probe captures an image of a familiar structure on Mars' surface.
2026-07-24 05:25:00 +0000 UTC→2026-07-24 06:13:00 +0000 UTC(48m)
NASA's Unexplained Files
An astronomer records an unusual radio signal from beyond the solar system.
2026-07-24 04:37:00 +0000 UTC→2026-07-24 05:25:00 +0000 UTC(48m)
NASA's Unexplained Files
A photograph depicts two suns; Ghostly white swirls on the moon's surface baffle NASA scientists.
2026-07-24 03:49:00 +0000 UTC→2026-07-24 04:37:00 +0000 UTC(48m)
NASA's Unexplained Files
The Curiosity Rover finds something strange on Mars; detectives turn to NASA for help.
2026-07-24 03:01:00 +0000 UTC→2026-07-24 03:49:00 +0000 UTC(48m)
NASA's Unexplained Files
President Kennedy demands that the CIA share its UFO data with NASA; coded alien message on Mars.
2026-07-24 02:13:00 +0000 UTC→2026-07-24 03:01:00 +0000 UTC(48m)
NASA's Unexplained Files
Soviet photos of the moon are intercepted by the CIA; a malfunction aboard the ISS.
2026-07-24 01:25:00 +0000 UTC→2026-07-24 02:13:00 +0000 UTC(48m)
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