Planet Earth could be giving out its own signals, which could in turn be detected by distant astronomers on an alien planet ...

A nutrition scientist applies metabolism, biology and food science to one of science fiction's oldest questions.

There’s no data to suggest that aliens exist. However, if we believed they existed and came to Earth, our planet would offer ...

So if you’re needing your alien fix this week, here are the five best alien movies worth adding to your Netflix watchlist. It ...

A new exoplanet model screens rocky worlds by their ability to retain atmospheres over geologic timescales, helping narrow ...

A Stanford scientist's model suggests many small rocky planets can't sustain atmospheres, potentially explaining the scarcity ...

Grain-sized remnants of alien technology may get caught in solar wind and land on plants and moons close to us ...

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One day, probably far off in the very distant future, if astronomers are correct in their assumptions about the vastness of space, Earth will be visited by intelligent beings from another planet.