BBC Sky at Night Magazine on MSN
Aliens could detect our airports. Scientists say radar signals could reveal our presence across the galaxy
Planet Earth could be giving out its own signals, which could in turn be detected by distant astronomers on an alien planet ...
As for those salt clouds, the salt is not table salt or even Pink Himalayan Rock Salt, though that would go splendidly with ...
From the Greys to the Nordics, these aliens appear frequently across abduction stories and science fiction tales.
Earth meets sky in this mountain town. The Appalachian bedrock here came from stardust and grew through geological processes ...
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