Geology

Massive emerald gemstone found in Madagascar's presidential palace

Mines Minister Carl Andriamparany called the gemstone a collector's dream, adding that officials have found no record of a similar stone ever documented in Madagascar.

Madagascar's new military ruler, Colonel Michael Randrianirina, speaks after being sworn in as president on Friday taking over from Andry Rajoelina following a coup that ousted him, at the constitutional court in Antanariv , Madagascar, October 17, 2025
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McDonough Meteorite: 23-Gram Visitor Older Than Our Planet Blasts Through Family Roof

 Lost Lemuria resurfaces: Indian-Ocean zircons revive legend of a sunken continent. Illustration.

Lost Lemuria resurfaces: Indian-Ocean zircons revive legend of a sunken continent

 Coral sea topography.

Unveiling Zealandia: How magnetic data revealed Earth's hidden eighth continent


Ancient stromatolites reveal volcanic ammonium supported early life

Dr. Ashley Martin: "A large ammonium reservoir would have been very beneficial for early life, providing the nitrogen source needed for biological processes to occur."

 Ancient stromatolites reveal volcanic ammonium supported early life before the Great Oxidation Event.