Mars had an oxygen-rich atmosphere around 4 billion years ago
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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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If aliens located 60-65 million light years away from us, looked at earth through a really powerful telescope today, they would see dinosaurs!
18
There is a mass reservoir of water floating in space that is 100,000 times bigger than our sun and holds 140 trillion times more water than all of our oceans.
11
Sound doesn't travel in space.
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MDIF, a New York based non-profit organisation, is planning to beam free Wi-Fi to the entire world from space.
18
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
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