The hottest Earth Science Substack posts right now

Geology shows us that a lot of Earth's history is missing in the rocks we see. For example, not all ancient events are recorded, which creates a unique beauty in how landscapes look today.
The constant fight between uplift and erosion shapes our mountains. Mountains grow tall, but erosion, through water and wind, continuously wears them down, making them more interesting.
Geology helps us understand deep time but also captures small moments in history. Trace fossils show us detailed actions of past life, connecting us to individual stories from millions of years ago.

In 1862, two balloonists faced a terrifying situation when their balloon wouldn't come down, and they were rising to dangerous altitudes. They had to work hard to figure out how to descend safely without the proper equipment.
Early ballooning was risky, but the people doing it were often well-prepared and knowledgeable. Their courage and resourcefulness in the face of danger helped advance the field of aeronautics.
Even today, the sky is both common and mysterious to us. It's a reminder of how our atmosphere keeps us alive, and we should be curious about the science behind it.

Scientists are discovering massive structures deep within the Earth called mantle plumes, which resemble trees and can influence volcanic activity. These findings show that there's a lot we still don't know about what's beneath our feet.
Currently, we've only drilled a tiny fraction of the Earth's crust, so many of these geological wonders are still unexplored. It’s exciting to think about what else scientists might find as they learn more.
Some mantle plumes might be remnants from when a protoplanet collided with Earth billions of years ago. This idea suggests that parts of our planet could have 'alien' origins, which is pretty mind-blowing!

Erratic rocks are large stones left behind by glaciers when the ice melts. They can be quite big, even the size of a school bus.
Some famous erratics, like the Wedgwood Rock in Seattle, have interesting histories and have been popular spots for locals for many years.
The study of these erratics helped scientists like Goethe understand the Ice Age and how rocks traveled long distances due to ice.

Time is deep and vast, stretching back billions of years. This history has shaped our planet and the life on it, making it so fascinating to explore.
Certain rocks, like the Morton Gneiss, are incredibly old and hold stories about the Earth's early days. Touching these rocks can help us connect to that ancient time.
Geological processes, like plate tectonics, have changed over the ages. Understanding when these processes began gives us insight into the Earth's past and how it has evolved.

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Chlorophyll and heme are both essential chemicals in life, with similar structures that play key roles in energy production and oxygen transport. Chlorophyll helps plants make energy from sunlight, while heme carries oxygen in our blood.
There's a mysterious porphyrin with vanadium at its center found in crude oil. It could belong to an ancient life form, and studying it may reveal new insights into the history of life on Earth.
The idea of a lost type of microbial chemistry, possibly allowing for 'silanogenesis', imagines how ancient creatures might have used silicon compounds like silane for energy, similar to how some modern microbes produce methane.

Scientists estimate that a major earthquake can occur in the American West Coast, causing massive destruction and loss of life. Planning for these events is crucial, given the high number of residents in these areas today.
Funding for earthquake prediction is very limited, focusing mostly on understanding where earthquakes might happen rather than when. There is a big need for more resources to develop better warning systems.
Using advanced technology and data sharing can significantly improve earthquake prediction. A centralized lab focusing on research and collaboration could potentially provide better warning times and save lives.

Earth used to be seen as unchanging, but scientists like James Hutton showed that it is always evolving, leading to our modern understanding of geology.
Vladimir Vernadsky introduced the idea of the noosphere, which connects human thought and technology, suggesting we can work together to tackle global problems like climate change.
The technosphere, created by humans, is shaping our planet and needs to be managed better, especially because it struggles with recycling waste and relies heavily on energy.

In the 1980s, NASA began focusing on studying how Earth's systems interact and impact our climate. This was important because it highlighted the need for global cooperation to understand climate change.
Ronald Reagan's presidency pushed for significant advancements in space exploration, leading to ambitious plans for a space station. His administration emphasized scientific progress and international collaboration in space.
A key report from scientists stressed the urgency of monitoring environmental changes. It called for a comprehensive program to study how human actions are affecting the planet and its ability to support life.

Because the Earth rotates, places farther east see night sooner — Bhubaneswar was already dark while Bangalore was still at sunset.
Seeing such moments firsthand turns dry book facts into a living, fascinating experience and makes the world feel full of small wonders.
A core idea of science is verifiability: being able to check a theory's predictions yourself builds trust in those ideas.