All-geo: The best of Geology and Earth Science on the web

The Next Warning Must Reach People Before the Water Does

State of the Planet | 10 November, 2026

Climate scientist Marco Tedesco reflects on moderating a recent U.N. panel about early warning in a time of melting ice and sea-level rise, and why this work must extend beyond COP31....

Categories: Climate; Natural Disasters; Viewpoints; climate change; coastal flooding; COP; COP31; Himalayas; Hindu Kush Himalayas; Lamont-Doherty Earth Observatory; Marco Tedesco; Nepal; sea level rise; United Nations;

SLOTHS: THE RELATIVES WHO WENT TO SEA

Fossil Huntress | 10 November, 2026

We tend to picture sloths hanging quietly in a tree, looking as though their next appointment is sometime on Thursday.Their fossil relatives had other plans. Some went into the ocean.Meet Thalassocnus, a group of extinct sloths that lived along the P...

Categories: fossil; HISTORY; paleontology; sloth;

The quest for Ioto’s colossal eruption and the mystery tephra of 2.7 ka

Volcano Cafe | 10 November, 2026

As I write this article, Ioto/Iwo-Jima erupts anew, ever since October 27, and I turn my attention back to this historically renowned island and dangerously overlooked volcanic system south of Japan, and I turn back my attention to quests I left unfi...

Categories: Japan; Changbaishan; geochro; ice cores; Ilopango; Ioto; Ioto - Iwo Jima; Iwo Jima; izu-bonin; Mariana Through; Okmok; ring dike; Taupo; tephra; Ultra-Plinian;

AI as an enabling technology for wildly creative goofballs

Inkstain (John Fleck) | 9 November, 2026

From Simon Willison, the guy who brings us pelicans riding bicycles - beep locator! Our house has a box room, full of boxes that we still haven't unpacked from our last move. A couple of weeks ago something in that room started intermittently...

Categories: AI;

Divergence

Sterna Paradisaea | 9 November, 2026

A new paper came out today, and in some ways it is the end of an era. But the results are also quite important both scientifically and for society. Benjamin Heurgue and Charles Amory, both at the Institut des Géosciences de l'Environnement in G...

Categories: Antarctica; science; sea level rise; Snow and ice; Uncategorized; Weather and climate; AntarcticFieldwork; AtmosphericVariability; ice sheet; polar science; PolarClimate; Science; smb; snow;

Heat and high water: Floods pockmarked southern U.S. states during one of the hottest Octobers on record

Eye On the Storm | 9 November, 2026

October 2026 was the fourth warmest in 132 years of recordkeeping for the contiguous 48 U.S. states, NOAA's National Centers for Environmental Prediction reported on Monday. This was a microscopic cooldown at best in the wake of July, August, and S...

Categories: Eye on the Storm; Feature Article; Weather Extremes; Bob Henson;

WHY DID MEGALODON GO EXTINCT? AN OCEAN IN CHANGE

Fossil Huntress | 9 November, 2026

For millions of years, Otodus megalodon occupied a formidable place in marine food webs. Its broad, serrated teeth could slice through flesh and leave deep marks in whale bones. Yet even this mighty predator eventually disappeared. Around 3.6 mi...

Categories: fossil; paleontology; shark;

October Research Roundup: Select Papers

State of the Planet | 9 November, 2026

In this month's research roundup, we explore how delayed climate action could trigger abrupt changes in the Arctic; what ancient ocean sediments reveal about carbon storage during the last ice age; how fiber-optic cables are improving earthquake moni...

Categories: Climate; Earth Sciences; Press Release; Arctic; carbon; congestion pricing; cs highlights; cs impacts; Department of Earth and Environmental Sciences; Earthquakes; Goddard Institute for Space Studies; Ice Age; Lamont-Doherty Earth Observatory; Mars; microplastics; research;

Good news and bad news

Open Mind | 9 November, 2026

First some good news. Here in the U.S.A., November started with a bang as voters overwhelmingly rejected Donald Trump's Republican party. Democrats now control a comfortable majority in both houses of congress, and Trump will be the lamest of lame-...

Categories: climate change; Global Warming;

The touchstone serpentine spot

Oakland Geology | 9 November, 2026

Back in September of 2007, I was moved to launch this blog with a post about an exposure of serpentine rock below a house being built up near the top of Crestmont Avenue. It looked like this at the time.

Categories: Oakland serpentinite;

Stoppani Glacier, Chile High Snowline as 2026 Melt Season Begins

From a Glaciers Perspective | 9 November, 2026

Stoppani Glacier in 2015 and 2016 October Landsat images. The snowline is at 350 m in 2015 and at 700 m in 2026. Yellow arrows indicate a significant narrowing of the terminus tongue. Stoppani Glacier is a large valley glacierof the Cordillera Dar...

Categories: chile glacier melt; chile glacier retreat; climate change glacier retreat; Climate Change; Featured; glacier mass balance;

The Vera C. Rubin Observatory, making a 10-year time-lapse of the night sky

Planetary Society Weblog | 9 November, 2026

The Vera C. Rubin Observatory is a ground-based telescope that is creating a 10-year time-lapse video of the night sky to study dark matter, dark energy, the Milky Way, and Solar System objects....

Categories: None

Severed

The Nature of Cities | 9 November, 2026

You lie there motionless. Your grand scale remains evident even though you have been carved up, into what seems like a million pieces. I witnessed them hack you up from the top down, limb by limb. First your branches swan dived downwards, the leaves ...

Categories: Essay; North America; People & Communities; Place & Design; Awareness; Conservation; Experiencing Nature; Trees; Wildlife People Interactions;

Magnetic Earth

Earth Learning Idea | 9 November, 2026

Have you tried 'Magnetic Earth; modelling the magnetic field of the Earth'.

Categories: Investigating the Earth;

Cormorants

Inkstain (John Fleck) | 8 November, 2026

Saw four cormorants and four humans fishing at the Albuquerque wastewater treatment plant outfall to the Rio Grande this morning. Accumlating odds and ends, cluttering my brain but lacking the oomph for a full blog post: Rio Bravo Bridge With...

Categories: Albuquerque; birds; mind; mud; water;

AI and climate modeling update

RealClimate | 8 November, 2026

Things are moving very fast. I wrote two years ago about the role that AI/ML was playing in helping accelerate useful developments in climate models. In a field where literally new possibilities are emerging on a week-by-week basis, that mig...

Categories: Climate modelling; Climate Science; Featured Story; Scientific practice; Agentic AI; AI/ML; climate models;

Taking a break - no post this week

Resource Insights | 8 November, 2026

I am taking a break this week and plan to post again on Sunday, November 15....

Categories: None

The Mt. Pinatubo Eruption Played a Vital Role in Triggering a Massive Shift in the Atlantic Ocean’s Deep Conveyor Belt in the 1990s

Ocean to Climate | 8 November, 2026

This blog post and the "Deep Dive" podcast, created by Google Notebook, are based on "The coupled reanalysis global meridional overturning circulation imprinted by historic volcanic eruptions" by Jiang et al. (2026). A new research publish...

Categories: 2026; AMOC; Global warming;

BABY MEGALODON: GROWING UP IN AN ANCIENT SHARK NURSERY

Fossil Huntress | 7 November, 2026

Megalodon Adult vs Baby Size ComparisonAwe. Who doesn't love babies? They are the cutest little things, right? Well, mostly....Perhaps not quite as cute if they could bite your arm clean off! A baby Megalodon would have been an impressive neighbour b...

Categories: None

This year’s El Niño: Past performance is not a guarantee of future returns

Inkstain (John Fleck) | 6 November, 2026

November forecast runs from the European Center for Medium-Range Weather Forecasts It is raining again in Albuquerque, New Mexico, as I type these words. But the latest forecast from the European Center for Medium-Range Weather Forecasts remains...

Categories: Arizona; Colorado River; New Mexico; water;

Politics, cool space photos, and more politics

Planetary Society Weblog | 6 November, 2026

What the U.S. election means for space policy and NASA science, voting for the coolest space images, and updates on Society advocacy....

Categories: None

When Sustainable Wildlife Management Goes Urban

The Nature of Cities | 6 November, 2026

A fox trots down a street in Berlin at dusk. A troop of baboons moves through a residential garden in Cape Town. A coyote is caught on a camera trap behind a Chicago strip mall, one data point among hundreds of thousands flowing in from cities across...

Categories: Africa; Essay; Europe; North America; Place & Design; Science & Tools; Landscape; What is urban nature?; Wildlife People Interactions;

WHAT DID MEGALODON EAT? BITE MARKS, WHALES AND FOSSIL CLUES

Fossil Huntress | 6 November, 2026

Megalodon had the teeth to make a meal of a whale. Fossils show that it did--but the menu was more varied than a succession of enormous animals. They ate their fill of what was swimming in the ocean around them. Small whales, other marine mamma...

Categories: diet; fossil; marine; megalodon; predators; whales;

New Satellite-Based Data Reveals the Atlantic Is Losing Less Heat since 1985—And It Means Ocean Circulation Is Slowing

Ocean to Climate | 6 November, 2026

This blog post and the "Deep Dive" podcast, created by Google Notebook, are based on "Evidence the ocean is losing less heat in the northern Atlantic and the AMOC has started to slowly weaken" by Bell et al. (2026). This preprint article (...

Categories: 2026; AMOC; Global warming; climate; climate-change; environment; science;

The rock that broke time: The 3.85-billion-year-old ghost of Akilia

EGU Geolog | 6 November, 2026

While spooky season is officially in the rearview mirror, it's not too late to talk about ghosts, is it? Not the bedsheet-wearing, candy-hunting ones that may have haunted our doorsteps last week, but a much older, more elusive kind: the geochemica...

Categories: Biogeosciences;