Dust from asteroid Bennu is revealing a surprising origin story for life’s building blocks. New research suggests some amino acids formed in frozen ice exposed to radiation, not warm liquid water as ...

Amino acids are absolutely essential to our health—and for life itself. They are the so-called “building blocks” of proteins. They play a key role in the growth, repair, and maintenance of almost ...

An amino acid has been produced in a lab by warming analogs of ices found in the freezing conditions of interstellar gas clouds. When you purchase through links on our site, we may earn an affiliate ...