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Danakil Depression: Earth’s Hottest Rift
Introduction
Before sunrise the salt plain gives nothing away. The Asale...
June 5, 2026
Ol Doinyo Lengai: The Black-Lava Volcano That Turns White
Introduction
A guide and a tourist are picking their way across...
June 5, 2026
Why Lava Cracks Into Hexagons: Columnar Basalt Explained
Introduction
Some patterns in nature look too deliberate to be accidental. The hexagonal...
June 4, 2026
Shanay-Timpishka: The Amazon’s Boiling River
Introduction
Walk the bank of the Shanay-timpishka and the first thing...
June 4, 2026
Desert Varnish: Microbes, Manganese, and Mars
Introduction
Desert varnish is a dark, paper-thin coating of manganese and...
June 4, 2026
Batagay Megaslump: Siberia’s Growing Permafrost Wound
Introduction
The Batagay megaslump, often called the Batagaika crater, is the largest retrogressive...
June 3, 2026
How Mega Floods Carved Washington’s Scablands
Introduction
On the evening of January 12, 1927, a 44-year-old geology...
June 3, 2026
Lituya Bay: The Tallest Wave Ever Recorded
Introduction
On the night of July 9, 1958, a wall of...
June 2, 2026
Kola Superdeep Borehole: The Deepest Hole on Earth
Introduction
On a low rise of Arctic tundra near the Norwegian...
June 2, 2026
Earthquake Lights: The Science Behind the Glow
Introduction
Just before 11 p.m. on 8 September 2023, security cameras around Marrakech...
June 1, 2026
Oklo: Earth’s Natural Nuclear Reactor
Introduction
In May 1972, at the uranium-enrichment plant at Pierrelatte in...
June 1, 2026
Lost City Hydrothermal Field: Where Life May Have Begun
A Light in the Abyss
The Lost City Hydrothermal Field is...
May 31, 2026
Blood Falls: Why an Antarctic Glacier Bleeds
Introduction
In the summer field season of 1911, a young Australian geologist named...
May 30, 2026
What Is a Limnic Eruption? Lake Kivu’s Hidden Risk
Introduction
A limnic eruption is one of Earth’s strangest killers, an...
May 30, 2026
Eye of the Sahara: The Richat Structure Explained
Introduction
On June 4, 1965, James McDivitt and Ed White were four days...
May 30, 2026
Naica Cave of Crystals: Earth’s Giant Selenite
In April 2000, two brothers drilling a tunnel 300 metres beneath a Mexican mountain...
May 29, 2026
Indian Ocean Gravity Hole Explained
The Indian Ocean “Gravity Hole”: How Earth’s Largest Geoid Low Formed
May 28, 2026
The Bermuda Anomaly: An Island Floating on a 20-km Raft
New seismic imaging shows Bermuda is held up by a thick slab of cooled...
May 28, 2026
Geraisite: Brazil’s First Tektite Strewn Field Discovered
A Stone From the Cerrado
Sometime in 2023, a man in northern Minas...
May 27, 2026
Mount Rainier’s 1507 Lahar Buried a Forest Alive
Introduction
In late summer of 1507, a Douglas-fir stood in what is now...
May 27, 2026