Blinking Dots

A space shuttle's camera captured several white blinking dots on film near planet Earth. What are these objects and why were they blinking?

Blinking Dots

Blinking Dots
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A space shuttle's camera captured several white blinking dots on film near planet Earth. What are these objects and why were they blinking?

Lightning Strikes Apollo 12 Twice Within Moments… And That Is Just The Beginning

Lightning Strikes Apollo 12 Twice Within Moments… And That Is Just The Beginning
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Moments after Apollo 12 launched from the Kennedy Space Center in November 1969, lighting struck the spacecraft...and then the craft was struck a second time. Things only got stranger once the crew was in space.

NASA UFO Sighting Protocol Leads To These Photos Of 'Black Knight' Under Space Station

NASA UFO Sighting Protocol Leads To These Photos Of 'Black Knight' Under Space Station
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Astronauts working on the International Space Station spot something unexpected: a flying object under the space station. But... was it all a mistake?

Space Shuttle Commander Reports Something Unlike Anything He Has Ever Seen

Space Shuttle Commander Reports Something Unlike Anything He Has Ever Seen
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Space Shuttle Atlantis commander sees something strange outside the space shuttle and reports his sighting to mission control. What did he see?

Apollo 10 Lunar Module Faces Catastrophe -- And Moon Pigeons

Apollo 10 Lunar Module Faces Catastrophe -- And Moon Pigeons
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Were "moon pigeons" spotted on Apollo 10 mission a warning for humans to stay away? Some people think so. This is the moon mission mystery you may not know about.

Apollo 16 Mystery Sighting Solved Decades Later

Apollo 16 Mystery Sighting Solved Decades Later
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After the Apollo 16 astronauts return to Earth, photos taken in space appear to show an unidentified flying object floating near the spacecraft. It takes decades for experts to determine what was hovering near the American astronauts

The Time Scientists Thought They Saw The Real Death Star

The Time Scientists Thought They Saw The Real Death Star
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It looked like a massive spacecraft launching from the sun. What was the mysterious dark object?

Are Aliens Sending Us Messages?

Are Aliens Sending Us Messages?
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In 1977, a radio telescope picked up a possible alien signal in deep space.

The Definitive Guide: Projecting Alien Evolution

The Definitive Guide: Projecting Alien Evolution
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Dr. Lewis Dartnell hypothesizes how aliens would evolve on planets far different than Earth.

The Definitive Guide: Synthetic Biology

The Definitive Guide: Synthetic Biology
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Professor Lynn Rothschild synthetically speeds up evolution in order to test the potential limits of life.

The Definitive Guide: Day Eight

The Definitive Guide: Day Eight
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In this online exclusive, Director Mike Davis recaps his cross country travel as he meets all sorts of scientists.

Biosignatures

Biosignatures
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Professor Dimitar Sasselov studies each planet's unique atmospheric fingerprints.

Meeting Geoff Marcy

Meeting Geoff Marcy
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Junior assistant producer Sarah Baker reflects on meeting one of her heroes.

Water on Mars

Water on Mars
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Mars and Earth share surprising similarities, which leads many scientists to think Mars has water.

Dark Energy

Dark Energy
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We may not know what dark energy is, but we know what it is not. Scientists explain how the amount of dark energy played a crucial role in the formation of our universe.

Origins of Life

Origins of Life
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Scientists explain how mixing ammonia, hydrogen, and methane and putting an electric spark through it, you can cook up amino acids, the origin of life.

Are We Alone Preview

Are We Alone Preview
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Are We Alone month returns Tuesday, March 5th with all new episodes. Does extraterrestrial life exist? How will they make contact? Will they save or destroy life on Earth? One month, endless questions. Don't miss it.

Sneak Peek

Sneak Peek
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Countless mysterious objects have been caught by NASA's cameras. Many astronauts have even reported seeing unidentified flying objects. Has NASA recorded the first traces of extraterrestrial life?

The Condon Report

The Condon Report
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The U.S. Air Force created the Condon Report in 1968 to address supposed UFO sightings. The report stated that "further extensive study of UFO's probably cannot be justified" and is seen by some as an attempted government cover up.

Something Out There

Something Out There
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James McDivitt, a NASA astronaut and engineer in the 1960's, reported he saw and filmed a strange object in space. Is there a logical explanation or was there really something out there?

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