When it comes to the search for life elsewhere in the universe, methane and other chemical compounds are seen as signs of ...
Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.
Space.com on MSN
Unidentified metal spheres found on Australian beach are space debris, authorities say
The Australian Space Agency said unidentified spheres found on a beach in Queensland are "consistent with debris from a ...
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