The asteroid Ryugu, millions of miles away from Earth, might not look that exciting. But on it, we now know, lie some of the ...

For decades, biologists have known that the instructions for life are written in DNA, yet the vast majority of those letters seemed to sit in the dark, doing little that was obvious. Now a new ...

A new study reveals all five fundamental nucleobases – the molecular “letters” of life – have been detected in samples from ...