We know about DNA on Earth. What would carry the genetic code elsewhere? In a recent paper published in the journal Astrobiology, Steven Benner from the Foundation for Applied Molecular Evolution in ...

Is it the invasion of the genome snatchers? Just in case the idea of aliens walking around in human skin suits wasn’t frightening enough. An outlandish study asserts that aliens might have abducted us ...

Life has spent the past few billion years working with a narrow vocabulary. Now researchers have broken those rules, adding extra letters to biology's limited lexicon. Chemist Floyd Romesberg of the ...

Crystal structure of a hachimoji double helix built from four naturally-occurring bases, G (green), A (red), C (blue), T (yellow), and four synthetic bases, B (cyan), S (pink), P (purple), and Z ...