There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
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An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
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When a massive power outage struck southern California in the 1990s, Los Angeles residents reportedly called 911 to express alarm about strange clouds hovering overhead; they were seeing the Milky Way for the first time.
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Not only are there rogue planets floating through space completely alone, not orbiting any stars, but it’s possible that these pitch-black lonely planets support life.
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Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
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