Astronomical observations show that polycyclic aromatic hydrocarbons (PAHs) are abundant and widespread in the interstellar medium. PAH molecules consist...
Using state-of-the-art analytical techniques, researchers have detected diverse suites of nucleobases — including canonical base pairs (e.g., adenine-uracil,...
An international team of researchers has detected a polyheterocyclic organic molecule called hexamethylenetetramine in three carbonaceous meteorites: Murchison,...
A team of researchers from the United States, Switzerland and Australia has found 4.6 to 7-billion-year-old presolar grains of silicon carbide (SiC) in...
An international team of scientists from Japan and the United States has found ribose and other bioessential sugars in two primitive meteorites, NWA 801...
By examining microscopic ice-blue crystals of mineral hibonite trapped inside a carbonaceous chondrite meteorite, an international team of scientists was...
