A network of meltwater lakes and drainage channels made an Antarctic ice shelf known for its blue ice areas even bluer.
During the 2022 summer melt season, sediment plumes and fractured sea ice traced swirling eddies in a branch of the Nansen Sound fjord system in the Canadian Arctic.
Lake Unter-See in Antarctica, sealed beneath thick ice, contains unusually high levels of dissolved oxygen and cone-shaped microbial reefs resembling some of Earth’s oldest fossils.
As Iceberg A-23A disintegrated, it shed meltwater that helped fuel an extensive phytoplankton bloom in the South Atlantic Ocean.
Satellite-based radar images show where a powerful earthquake in the Yukon, Canada, sent rock, snow, and ice spilling across the frozen landscapes of the St. Elias Mountains.
The glacier in southeastern Svalbard pulses with the changing seasons, speeding up and slowing its flow toward the sea.
NASA Scientist Alex Gardner highlights how Landsat made his research into the dynamics of glacial flow possible.
An increasingly flammable landscape combined with more lightning strikes is leading to larger, more frequent, and more intense fires than the landscape is adapted for.