A meteorite around 2 billion years old turned up carrying molecules that look a lot like the chemical letters of human DNA. Adenine, guanine, cytosine, thymine.

 

Your genetic code might be older than Earth’s oceans.

A meteorite around 2 billion years old turned up carrying molecules that look a lot like the chemical letters of human DNA. Adenine, guanine, cytosine, thymine. The same code running in every cell you’ve got. a

And this rock isn’t alone. Hokkaido University scientists found DNA nucleobases in three carbon-rich meteorites. NASA’s Bennu samples held 14 of the 20 amino acids life uses, plus precursors of DNA and RNA.

In the 1970s, Fred Hoyle and Chandra Wickramasinghe said comets seeded life here and got torn apart for it.

Hoyle never got his apology.

Echoes of Unbound Curiosity