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A wooded ecosystem with mammoths alongside modern species such as arctic hares
2.4 Million-Year-Old DNA Is Oldest Ever Recovered
The DNA fragments collected from permafrost in northern Greenland unlock insights into an ancient ecosystem.
2.4 Million-Year-Old DNA Is Oldest Ever Recovered
2.4 Million-Year-Old DNA Is Oldest Ever Recovered

The DNA fragments collected from permafrost in northern Greenland unlock insights into an ancient ecosystem.

The DNA fragments collected from permafrost in northern Greenland unlock insights into an ancient ecosystem.

arctic, ecology

close-up of a salmon's head swimming among underwater plants
Sudden Decline in Salmon Growth May Signal Ecological Shift
Natalia Mesa, PhD | Mar 4, 2022 | 5 min read
The decrease in growth appears to be associated with increasing water temperatures, affecting animals throughout the marine food web.
Picture of Markus Dyck standing outside, wearing a red coat and ball cap.
Polar Bear Researcher Markus Dyck Dies in Helicopter Crash
Lisa Winter | Apr 30, 2021 | 2 min read
Dyck was widely respected for working alongside indigenous groups as he studied polar bears on their ancestral lands.
Infographic: Investigating Whale Strandings Along the North American Coast
Ashley Yeager | Nov 1, 2020 | 2 min read
Knock-on effects of melting sea ice in the Arctic may be to blame for a spate of gray whale deaths along their migration route from Mexico to Alaska.
Clues Point to Climate Change as a Culprit in Gray Whale Deaths
Ashley Yeager | Nov 1, 2020 | 10+ min read
For the past two years, the charismatic marine mammals have washed up on Pacific shores in record numbers. Scientists investigating the strandings suspect warming waters and melting sea ice are partly to blame.
Marine Protected Areas Aren’t Protected Against Climate Change
Ashley Yeager | May 7, 2018 | 2 min read
If left unchecked, greenhouse gas emissions will drive ocean temperatures up, affecting wildlife in these regions.
Bowhead Whales Impress Researchers With Their Song Diversity
Catherine Offord | Apr 4, 2018 | 2 min read
A group of around 300 whales produced 184 distinct songs over just a few years, according to a new study.
Northern Exposure
Jef Akst | Mar 1, 2014 | 5 min read
Researchers are using snowdrifts to artificially warm Arctic tundra during winter and finding that more carbon is released from the soil than plants can soak up from the atmosphere.
Arctic Bacteria Thrives at Mars Temps
Bob Grant | May 23, 2013 | 2 min read
Researchers discover a microbe living at -15°C, the coldest temperature ever reported for bacterial growth, giving hope to the search for life elsewhere in the cosmos.
Icy Algae in a Changing Arctic
Bob Grant | Feb 14, 2013 | 3 min read
New research adds to an emerging picture of the changes that global warming and thinning ice are wreaking on the marine ecosystems at the top of the world.
Sampling the New Arctic
Bob Grant | Feb 14, 2013 | 1 min read
Scenes from a research trip, where researchers peered beneath the ice to shine a light on the emerging picture of a changing Arctic Ocean
A Greener Arctic
Edyta Zielinska | Jun 11, 2012 | 1 min read
Algal blooms are appearing under the ice in the Arctic Ocean in areas thought to receive too little light to support photosynthetic life.
New fungal hiding places
Cristina Luiggi | Jun 23, 2011 | 1 min read
Whether it’s in the arctic or a commonplace kitchen appliance, deadly fungal species wait for the right opportunity to strike.
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