Determining the safest Mars caves for future astronauts

When astronauts land on Mars someday, they might have to live in lava caves or lava tubes to survive the harsh radiation that rains down on the Martian surface every second. But which caves could offer them the best chance ...

Latin American trial heralds methane-free rice

New approaches to managing rice systems in Latin America are proving effective at reducing water usage and cutting back the high greenhouse gas emissions from a crop that feeds nearly half the world's population.

In hot water and beyond: Marine extremes escalate

Marine life in the water column depends on the right combination of water temperature, acidity, and oxygen levels, so creatures such as fish and plankton can be hard hit by large regional fluctuations in any of these parameters. ...

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