Earth
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Life
Crabs left the sea not once, but several times, in their evolution
A new study is the most comprehensive analysis yet of the evolution of “true crabs.”
By Amanda Heidt -
Environment
Grassland and shrubland fires destroy more U.S. homes than forest fires
Grassland and shrubland fires destroyed nearly 11,000 homes in the contiguous United States from 1990 to 2020.
By Nikk Ogasa -
Climate
The last 12 months were the hottest on record
The planet’s average temperature was about 1.3 degrees Celsius higher than the 1850–1900 average, a new report finds.
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Plants
On some Australian islands, sea level rise may be helping mangroves thrive
Rising seas usually spell trouble for mangroves. But the first survey of the Howick Islands in 50 years finds that mangroves there have expanded a lot.
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Animals
Fake fog, ‘re-skinning’ and ‘sea-weeding’ could help coral reefs survive
Coral reefs are in global peril, but scientists around the world are working hard to find ways to help them survive the Anthropocene.
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Animals
At the foot of a melting glacier in Peru, llamas helped revitalize the land
A partnership between scientists and farmers suggests how llama herding can mitigate some of the impacts of climate change.
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Life
See the wonders of two newfound deep-sea coral reefs off the Galápagos
Coral reefs around the world are in trouble. But these reefs in the Galápagos Island Marine Reserve have yet to be damaged by humans.
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Animals
Pumping cold water into rivers could act as ‘air conditioning’ for fish
Hundreds of salmon, trout and other fish sought shelter from summer heat in human-made shelters, suggesting a way to help fish adapt to river warming.
By Nikk Ogasa -
Plants
Berkley Walker wants to revamp photosynthesis for a changing climate
Finding ways to make plants work better could help feed a growing population, especially as the planet warms.
By Aaron Brooks -
Climate
50 years ago, scientists warned of the ‘neglected dangers’ of heat islands
In 1973, scientists knew temperatures in cities were higher than in rural areas. Now, some cities are attempting to cool down with engineering.
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Life
10 billion snow crabs have disappeared off the Alaskan coast. Here’s why
In the eastern Bering Sea, the snow crab population plummeted after a marine heat wave in 2018. The crabs may have starved, a new study finds.
By Jude Coleman -
Climate
Róisín Commane sleuths out greenhouse gas leaks to fight climate change
From New York City to the Arctic, atmospheric chemist Róisín Commane tries to account for the greenhouse gases in the air.
By Jennifer Lu