These gases could signify intelligent life beyond Earth
Astronomers proposed that the industrial gases nitrogen trifluoride and sulfur hexafluoride could provide measurable signs of advanced…
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Intelligent life might be rare
How hard is it for evolution to produce intelligent life like humans? We don't really know, but some computational modelers tried to answer…
How “fast radio bursts” are used in the search for alien life
Detecting fast radio bursts is difficult because the data is "noisy" so ruling out false positives is a current topic of study. A group of…
What happens if we send signals into space?
For over a hundred years, humans on Earth have been using radio transmissions to communicate with each other. This ability to communicate…
Mysterious, Unusual Intergalactic Radio Signal Found
Radio astronomers working with a radio dish telescope detected something a bit unusual. They were seeing a very fast radio burst, faster and…
Betting on finding aliens
If intelligent aliens exist somewhere in the depths of space, then should we see signs of their technology? This question has motivated…