Sagan's team created the greatest puzzle of all time, which you can only solve if your species understands the basic nature ...
A NASA astronaut preparing for a grueling eight-month stint in orbit reveals a plan to test for extraterrestrial life.
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From Autobots to alien invasion, wild theories float as astronaut at space station sees fireballs entering Earth
A NASA astronaut captured a stunning sight from the space station. Chris Williams saw a bright streak of light in the upper atmosphere, which slowly split into multiple small fireballs. The brightly ...
The Pentagon has opened a case to investigate this 1972 NASA photo from the Apollo 17 mission on the moon. The image contains three unidentified dots above the lunar horizon. Credit: NASA / Department ...
Researchers found this material on the meteorite, which entered Earth's atmosphere moving faster than the speed of sound.
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Harvard professor with polarizing alien theories is picked to lead Trump administration UFO council
A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the Trump administration to ...
NASA astronaut Anil Menon spoke with Newsweek's Leonardo Feldman about life in space, recently declassified UFO sightings, and future missions to Mars.
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