"We are really trying to understand how far we can go, chemically, toward larger biological molecules and what environments ...

These gases — composed of carbon, hydrogen, and a halogen, like chlorine — are mostly made by bacteria, algae, fungi, and plants. The chemicals are particularly intriguing as a potential sign of life ...

That molecule is produced by phytoplankton ... The new paper from the UC Riverside team posits Webb could detect one ...