Mars' northern polar regions in transition

A newly released image from ESA's Mars Express shows the north pole of Mars during the red planet's summer solstice. All the carbon dioxide ice has gone, leaving just a bright cap of water ice.

Satellites and submarines give the skinny on sea ice thickness

This summer, a group of scientists and students — as well as a Canadian senator, a writer, and a filmmaker — set out from Resolute Bay, Canada, on the icebreaker Louis S. St-Laurent. They were headed through the Northwest ...

Interglacial on snowball Earth

Researchers from Royal Holloway, University of London have discovered that ice retreated completely through the glaciations.

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