Ancient Air, Modern Peril: Geoscientists Reveal a New 66 Million-Year History of Carbon Dioxide

Researchers propose that if a terrestrial planet has substantially less carbon dioxide in its atmosphere compared to other planets in the same system, it could be a sign of liquid water — and possibly life — on that planet’s surface.

A carbon dioxide-recycling yeast boosts bioethanol production

A new 66 million-year history of carbon dioxide offers little comfort for today