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Carbon dioxide emissions from fossil fuels rose again in 2023, reaching record levels, according to estimates from an international team of scientists.

Arctic sea ice is shrinking as the world continues to warm, and a new study led by researchers at Penn State may provide a better understanding of how the loss of this ice may impact daily weather in the middle latitudes, like the United States.

Fernandina, the youngest of the Galápagos islands, is also the most volcanically active.

Massive volcanic events in Earth’s history that released large amounts of carbon into the atmosphere frequently correlate with periods of severe environmental change and mass extinctions.

Some of the largest known deposits of lithium—a soft silvery metal that powers batteries in cell phones, laptops, and electric vehicles—lie in one of the driest places on Earth.