Solving the mystery of frost hiding on Mars

A new study using data from NASA's Mars Odyssey orbiter may explain why Martian frost can be invisible to the naked eye and why dust avalanches appear on some slopes.

Lowering the temperature on a hot topic: A climate change primer

Climate changes. It has done so, often dramatically, over the course of Earth's geologic timescales, measured in hundreds of thousands and millions of years. Some of these changes might have caused a phenomenon called snowball ...

Arctic winter 2022 sea ice found to be 10th-lowest on record

Arctic sea ice appeared to have hit its annual maximum extent on Feb. 25 after growing through the fall and winter. This year's wintertime extent is the 10th-lowest in the satellite record maintained by the National Snow ...

Thawing permafrost can accelerate global warming

Thawing permafrost in the Arctic could be emitting greenhouse gasses from previously unaccounted-for carbon stocks, fuelling global warming. That is the result of a study conducted by a team of geologists led by Professor ...

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