Carbon dioxide is being converted into oxygen on Mars thanks to an invention undergoing testing that could lead to the colonization of the red planet. Day and night across the seasons, a ...

The Perseverance rover converted carbon dioxide into oxygen on Mars, marking the first time breathable air has been made on another planet, NASA announced Wednesday. A toaster-sized instrument called ...

Researchers have created a paint containing living cyanobacteria that produces oxygen and can capture carbon dioxide. The bacteria’s ability to withstand extreme environments means this novel paint ...

Methods to enhance the ocean's uptake of carbon dioxide (CO₂) are being explored to help tackle the climate crisis. However, some of these approaches could significantly exacerbate ocean deoxygenation ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The Mars Oxygen In ...

Sept 4 - Carbon dioxide helps plants grow but it can also worsen conditions for plant growth, contrary to a graphic shared on social media that misleadingly suggests higher CO2 in Earth’s atmosphere ...

NASA sent the Perseverance rover to Mars with some bonus technology: a device that can turn carbon dioxide into oxygen, much as trees do on Earth. The device, called the Mars Oxygen In-Situ Resource ...

A new study of sediment cores shows a series of massive emissions of carbon dioxide over a 20 million year period about 300 million years ago. These CO2 emissions happened at the same time as drops in ...

The basics of photosynthesis are something that every student learns in school: carbon dioxide, water and light in; oxygen ...