According to a study by the National Science Foundation, only half of Americans believe in evolution, and one in 4 don't know that the Earth orbits the Sun.
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Mars had an oxygen-rich atmosphere around 4 billion years ago
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There are more nerve cells in the human brain than there are stars in the Milky Way.
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There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
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From the nitrogen in our DNA, to the calcium in our teeth, the iron in our blood, to the carbon in our apple pies - all were made in the interiors of collapsing stars; we're all made of stardust.
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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!
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In the last 7 years, humanity has discovered 43 potentially habitable planets.
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A neutron star (what remains after a Super Nova) is so dense that a portion of it the size of a sugar cube would weigh as much as all of humanity, or more than all the cars in the United States.
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