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| Image from space by astronaut photographer. Source: Time Lightbox Photo Essay by Phil Bicker |
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An article in TIME magazine reported that meteorites contain a large variety of nucleobases, an essential building block of DNA.
According to Dr Michael Callahan, who published this finding in Proceedings of the National Academy of Sciences, "Hydrogen cyanide, ammonia and water exist throughout the cosmos. When mixed together, they could make nucleobases."
More than 50 years ago, it was found that amino acids, which link up to form proteins, are present in space.
This discovery of the presence of DNA is the most convincing piece of evidence thus far that there is life in space. Not only is there life, but life that is perhaps not too different from us.
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