Astronomers have discovered high amounts of the amino acid tryptophan in interstellar material throughout a nearby star-birthing region of space. Tryptophan is one of 20 amino acids responsible for ...

We usually associate the amino acid tryptophan with turkeys, naps, or both, but it may also be related to our chances of finding alien life in the universe. Data from NASA’s Spitzer space telescope ...

As people grow older, the same brain chemistry that once supported sharp thinking and stable mood can quietly start to work against them. A new wave of research is revealing how a single amino acid, ...

Peptides are gradually emerging as middle-sized therapeutic agents in addressing unmet medical needs. Compared to small-molecule drugs, peptides can target complex biological processes more precisely ...