Animal Migrations Track Climate Change
Many species are known to have changed their migration routes in response to the changing climate, now including mule deer and Bewick's swans.
EARTH857 articles archived since 1845
Science Briefs from around the World
Here are some brief reports about science and technology from around the planet, including one about a 70-million-year-old mollusk fossil that reveals years back then had a few more days than we have now...
Declining Antarctic Sea Ice Could Disrupt a Major Carbon Sink
Ancient ice and sediment samples show that extensive sea ice in the past helped halt the rise of carbon dioxide
Air, Sea and Space: Ocean Health, Atmosphere Insights and Black Holes
Biological oceanography expert Miriam Goldstein talks about issues facing the oceans. Reporter Adam Levy discusses air pollution info available because of the pandemic. And astrophysicist Andrew Fabian chats about black holes...
Unicorns of the Sea Reveal Sound Activities
Narwhals, recognizable by their large single tusk, make distinct sounds that are now being analyzed in depth by researchers.
COVID-19 and Amazon Fires Choke the Lungs of Brazilians—and the Planet
Fine dust from the burning rain forest could exacerbate coronavirus infections amid signs that the blazes might be particularly severe in 2020
A Screen of ‘Old Smoke’ Hangs Around in the Atmosphere
How this thin layer of aerosol particles might impact global climate remains to be seen
Rosetta Stones Rolls On
We say so long to the Scientific American blogs network. But this isn’t goodbye!
High Temperatures Set Off Major Greenland Ice Melt—Again
An Arctic heat wave ushered in the start of the melt season two weeks earlier than average
The Mariana Trench Is 7 Miles Deep: What’s Down There?
The Mariana Trench in the Pacific Ocean is so deep your bones would literally dissolve. What's down there in its black, crushing depths?
Deltas Gain Ground—but the Trend Won’t Last
New analysis reveals river deltas’ surprising expansion
Because of Rising CO2, Trees Might Be Warming the Arctic
Less water loss from plants causes the surrounding air to warm, and currents can transport that heat poleward
Soils Store Huge Amounts of Carbon, Warming May Unleash It
Higher temperatures and wetter weather may spur soil microbes to release more carbon into the atmosphere
North Pole’s Largest-ever Ozone Hole Finally Closes
An unusually strong polar vortex kept the hole open for nearly a month—now, it’s finally shut again
Warming Caused a Glacier in Alaska to Collapse
Pooling meltwater destabilized the glacier, sending an avalanche of ice down a mountainside
Giant Volcano Rewrites the Story of Seafloor Formation
Tamu Massif and dozens of other seafloor volcanoes formed like sheet cakes, not layer cakes
Tapirs Help Reforestation via Defecation
The large herbivores appear to prefer disturbed areas over more intact ones and spread many more seeds in those places through their droppings.
New Satellite Gives Clearest View Yet of Polar Ice Melt
Ice lost by Greenland and Antarctica outweighs any gains from accumulating snow, measurements from NASA’s ICESat-2 show
Geology of the Pacific Northwest: A Great Introduction for Kids
Help kids learn about the geology of the Pacific Northwest in a fun, informative geology book with easy projects
How the Environment Has Changed since the First Earth Day 50 Years Ago
These charts show that while progress has been made in some areas, humanity still has a major impact on the planet
