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Introducing our new mini-series by GM Blog co-editor Wioleta Por?bna: Great Names in Geomorphology A-Z! Our readers will choose the next name in alphabetical order - leave your suggestions in the comments! 

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This specimen is a Foerstephyllum (Bassler, 1941) coral fossil. It dates to the Ordovician Period and was found in Jefferson County, Kentucky USA. Thanks to Wes for these fossils.

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Trekking in Svalbard, Norwegian ArcticWhen the end-Permian extinction struck 252 million years ago, it nearly wiped the slate clean. More than 80% of marine species vanished. Coral reefs collapsed. Food webs unraveled. We've long believed t...

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Summer 2018 was spent visiting this locality after every rainstorm to collect as many fossils in situ from the Oligocene Ashley Formation and Chandler Bridge Formation as we could before the pond filled up and the fossil beds drowned - establishing a...

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This blog post and the "Deep Dive" podcast, created by NotebookLM, are based on several studies, including "The Role of Indonesian Throughflow in a Global Ocean GCM." by Hirst and Godfrey (1993), "The Indonesian Throughflow's Effect on Gl...

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Explore Marie Tharp's groundbreaking 1977 World Ocean Floor map and discover how it transformed our understanding of the Earth....

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Most people know me for my work on ocean conservation, Indigenous-led stewardship, and marine protected areas. Over the past year, however, I have found myself increasingly drawn into a different but deeply connected area of research: how public land...

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When it comes to cool things happening in space, size doesn't matter....

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Each month we feature specific Divisions of EGU and during the monthly GeoRoundup we put the journals that publish science from those Divisions at the top of the Highlights section. For July, we are featuring the Planetary and Solar System Sciences (PS), Seismology (SM), and Tectonics and Structural Geology (TS). They are represented by the journals Solid Earth (SE), Geoscientific Model Development (GMD),and Annales Geophysicae (ANGEO).

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Ocean tides play a significant role on ocean circulation, coastal processes and mass variations. Tides are generated from the gravitational interaction between Earth, Moon and Sun, which typically results in two high and two low tides observed each day. Satellite observations have vastly expanded our understanding of ocean tides. In 2022, the Surface Water and Ocean Topography (SWOT) satellite was launched, funded by CNES and NASA, and provided a new perspective on the ocean surface and inland water systems. The unique of SWOT comes from its ability to observe the ocean from a two-dimensional perspective, allowing for fine-scale variability of the ocean surface and the observation of process across the land-ocean zone. For more information of SWOT, please visit: https://swot.jpl.nasa.gov/.

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By Professor Klaus Dodds Here, Professor Dodds provides greater depth into recent Greenland Geopolitics. See the Greenland Connection "Scramble for the Arctic" StoryMap for more information. Trump's interest in Greenland The last 18 mo...

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NASA may send an engineering test of the Perseverance rover to the Moon, but at what price?...

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Tallheo CanneryPerched atop weathered, rotting pilings and wrapped in the mist and mood of British Columbia's wild north coast sits the Tallheo Cannery -- a faded red relic standing stubbornly against rain, tide, and time.It was once a place of st...

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This is an activity report for AntarcticGlaciers.org in the 12 months to July 2026. This information may be useful for those thinking about online science communication websites.

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In honor of Tharp's birthday, Ferrini discusses the geologist's pioneering work and how it paved the way for her own collaborative efforts to map the ocean floor....

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Mike insisted that I (deep breath) stop the process of resubmitting one of our collaborative manuscripts to post this, which is the clearest example of recursion I've ever seen or heard of....

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Mars has two small, rocky, irregular moons. Exploring them could solve long-standing mysteries about the Solar System's history....

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Dolphin is the planet's fifth Category 5 tropical cyclone of 2026, putting 2026 ahead of the pace from the all-time record of 1997, when 12 Cat 5s occurred globally.

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Under the second Trump administration, the Environmental Protection Agency (EPA) has radically altered its priorities. Whereas it previously championed climate spending legislation like the Inflation Reduction Act (IRA), its new leadership, headed by Administrator Lee Zeldin, promptly moved to roll back implementation of IRA programs. Indeed, as part of those efforts, EPA froze the funds of grantees of programs created by the IRA and other climate-related legislation (e.g., the Bipartisan Infrastructure Law, or BIL) and later cancelled many grants altogether.

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The short answer is: we look to Mars because it is similar to Earth's own history and potential future. In our solar system, Mars can be described as our closest environmental relative. It possesses a solid surface, an atmosphere, polar ice caps, and a day-night cycle that mirrors our own. To study Mars is to investigate how planetary bodies evolve, how atmospheres erode, and how climates collapse. In other words, studying Mars means we can maybe, just maybe, learn about what turned what may have once been a habitable environment to a barren land, and hopefully prevent Earth from a similar demise.

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AGU is pleased to welcome our latest Voices for Science cohort! Click through their photos to learn more about these amazing scientists committing to a year of outreach and policy work. [See image gallery at thebridge.agu.org]...

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New York State has joined a growing movement to make climate education a required part of K-12 learning, following years of student demand and widespread support from teachers and parents....

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