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seasonal variation

A burnt, smoky hillside with burnt trees lies along a road.
Posted inNews

Low Snow in Eurasia Linked to Wildfires in California

by Andrew Chapman 13 May 202615 May 2026

Scientists found that low autumn snow levels in western Eurasia are associated with dry, warm winters in California, increasing the Golden State’s wildfire risk.

A wildfire on a hillside burns at night.
Posted inResearch & Developments

2026 Has Already Broken Climate Records. El Niño Could Break More.

by Grace van Deelen 12 May 202611 May 2026

As the midpoint of the year approaches, several climate records have already been broken. Arctic winter sea ice extent reached a record low. Several countries saw record-breaking winter heat waves. And more than 150 million acres have already burned globally in wildfires.

Two people on the deck of a large ship look over the edge of the ship at large chunks of floating ice.
Posted inResearch & Developments

Arctic Winter Sea Ice Hits a Record Low, Again

by Grace van Deelen 27 March 202627 March 2026

Sea ice in the Arctic has likely hit its maximum extent for the year, the National Snow and Ice Data Center (NSIDC) said on 26 March. That maximum extent is one of the lowest ever recorded, tying last year’s record for the least sea ice coverage in the 48-year observational record.

A large group of emperor penguins huddles together on Antarctic sea ice.
Posted inNews

Shrinking Sea Ice Is Ruffling Emperor Penguins’ Feathers

by Andrew Chapman 24 March 202624 March 2026

A scientist stumbled upon evidence of penguin molting sites in satellite data, but the sea ice these birds rely on is disappearing.

An animated illustration shows a visualization of greenery moving across a simplified model of Earth with the seasons.
Posted inNews

Earth’s “Green Wave” Is on the Move

by Saugat Bolakhe 19 March 202619 March 2026

Researchers analyzed 40 years of satellite data and found that Earth’s seasonal wave of greenness is shifting northeast.

Researchers stand in a round, shoulder-high hole in the snow.
Posted inNews

When the Snow Melts, Microbes Bloom

by Rebecca Owen 4 March 20264 March 2026

A new study illuminates a complex and changing world of microbes and nitrogen cycling that occurs during the winter.

A lake, seen from a rock on the shore, is mostly covered in ice but beginning to melt. The melting water is purple. On the other side of the lake, a rocky cliffside with evergreen trees is visible beneath a blue sky.
Posted inResearch Spotlights

How the Spring Thaw Influences Arsenic Levels in Lakes

by Saima May Sidik 6 February 20266 February 2026

Four lakes near Yellowknife, Canada, show that there’s no one-size-fits-all answer.

Two people in shadow explore a dark ice cave with ice stalactites and columnar-appearing sides. Light from the entrance backlights the scene.
Posted inNews

Could Future Mars Habitats Be Made of Ice?

by Olivia Maule 15 December 202515 December 2025

Models suggest that clear ice, sourced and distilled on Mars, could offer a feasible alternative for building stable off-world structures.

Aerial view of snow-covered Yukon River Delta in Alaska.
Posted inNews

Changing Winters Leave Indigenous Alaskans on Thin Ice

by Cassidy Beach 12 December 202517 December 2025

Researchers are blending Indigenous Knowledges with climate models to describe shifts in snow and ice.

A backward C-shaped swirl of milky blues and greens appears against a deep blue background. In the foreground, toward the edges of the image, clouds appear as white patches.
Posted inResearch Spotlights

Wintertime Spike in Oceanic Iron Levels Detected near Hawaii

Sarah Stanley, Science Writer by Sarah Stanley 11 December 202511 December 2025

Seasonal rainfall and runoff of sediments from the Hawaiian Islands could be responsible for the previously undetected peak.

Posts pagination

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