Mars, one of our closest planetary neighbors, has fascinated people for hundreds of years, partly because it is so similar to ...

as part of what is called ‘the global carbon cycle.’ A change in any of these fluxes could have wide-ranging impacts on ecosystems and our climate. The IAEA Environment Laboratories apply nuclear and ...

Our concept of a 'boundless carbon cycle' would encourage policymakers to better appreciate the couplings between land and water and between the hydrological cycle and the carbon cycle.

Tutolo led a new study of rock samples collected by the Curiosity rover that might have answered this question. The mystery ...

A new study suggests that Mars may have once had an active carbon cycle, which could explain why the planet was warmer and ...

Spray half the samples with water; leave the rest dry ... and nitrogen to the atmosphere and soil for reuse. A balanced carbon cycle is essential. Carbon is a major component in carbohydrates ...

which form when siderite dissolves in acidic water. That means some of the carbon would have returned to the atmosphere, creating a carbon cycle. But in contrast to Earth’s carbon cycle ...

The carbon cycle is the biogeochemical cycle focused on carbon and how it is sequestered in and moves between different reservoirs in the Earth system. The rise of oxygen in the early Earth’s ...

Understanding Mars' ancient carbon cycle helps answer a fundamental question: was Mars capable of supporting life? The presence of liquid water and a thick CO₂ atmosphere strongly points to ...

If ancient Mars had liquid water, it would have needed a much warmer ... In other words, these new results provide evidence for an ancient carbon cycle on Mars. Carbon cycles are the processes ...