Why do we tend to assume that UFOs are crafts carrying alien beings rather than alien beings themselves? How the UFO ...

English science fiction writer Arthur C. Clarke once said, "Two possibilities exist: either we are alone in the Universe or we are not. Both are equally terrifying." It's a line that has motivated ...

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The Cluster is a form of life organized on principles so different from anything on Earth that understanding it requires dismantling most of what you think life means — and the video that explains it ...

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Octopuses, bees, and dogs all process information differently. Even within the narrow confines of one planet, evolution produced a wide range of nervous systems rather than a single design. A new ...

Add Yahoo as a preferred source to see more of our stories on Google. An illustration of an exoplanet in an alien star system. New research suggests that radio emissions from intelligent aliens may be ...

A new exoplanet model screens rocky worlds by their ability to retain atmospheres over geologic timescales, helping narrow the search for potentially habitable planets beyond Earth. When you purchase ...

A biologist specializing in invasive species has partnered with a former Pentagon strategist in pushing NASA to construct a “lunar biocontainment facility.” Reading time 3 minutes International ...

SETI scientists searched the interstellar object 3I/ATLAS for radio signals that could indicate extraterrestrial technology but found nothing beyond human-made interference. Even so, the ...

During future space missions, humans may finally encounter extraterrestrial life forms, settling the age-old question of whether we are alone in the cosmos. But what if alien biology is so different ...

The global market for 3D printing in construction is entering a phase of rapid expansion, with projections indicating it will reach $4.6 billion by 2028, driven by an extraordinary compound annual ...