Taurine - a nutrient found in meat, fish and sold as a supplement - extends life and boosts health in a range of animal species, scientists say.
According to the research, nature could have selected building blocks with useful properties before the Darwinian evolution.
Japanese researchers have discovered more than 20 amino acids on the space rock Ryugu, which is more than 200 million miles (320 million kilometers) from Earth.
A team of researchers claims they've discovered the amino acid glycine in Venus' atmosphere. There are about 500 known amino acids, but only 20 are present in the genetic code. Glycine is the simplest of them.
