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Geophysics

Magnesium oxide, the first component that crystallized in the process of creating a planet slightly larger than Earth. The image was prepared using DALEE and should not be considered a scientific image

Scientists discover the first building blocks in the formation of super-Earths

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Scientists observed for the first time how atoms in a magnesium oxide molecule change and dissociate under extremely harsh conditions, and gained new insights into this important mineral in the Earth's mantle that is known to influence the formation of planets
The Earth's core began to slow down around 2010, moving more slowly than the Earth's surface. Credit: USC

Is the Earth's core losing speed?

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The researchers collected and analyzed seismic data recorded around the South Sandwich Islands from 121 repeated earthquakes that occurred between 1991 and 2023. They also used data from two Soviet nuclear tests between 1971 and 1974,
A glacial lake, Jokulsarlon is a glacial lagoon, Vatnajokull National Park in southeast Iceland, blue water speckled with ice melting from the Breidamerkurjokull glacier. Illustration: depositphotos.com

Firecrackers and thunder: Lightning storms accelerate the rate of ice melting in the North Pole

An international study with the participation of Tel Aviv University states: Global warming leads to lightning storms in the North Pole, which further accelerate the process of melting the ice - in a cycle of repeated feeding
The collision between Thea and Earth. Illustration: depositphotos.com

Strange lumps in the depths of the Earth's mantle are remnants of the planet from the collision that also created the moon

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The new research from Calcutta suggests that remnants of that ancient planet known as Theia are still inside the Earth and explain the origin of the "lumps" near the core-mantle boundary. Other remnants of it coalesced to form the
Imprint "Lamelech" on the handle of a pitcher from Ramat Rachel. Photo: Oded Lifshitz.

Scientists: The weakening of the Earth's magnetic field is not a new phenomenon

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The eastern Mediterranean, west of Cyprus and east of Crete (the shaded figure on the map), preserves remnants of an ancient ocean.

The floor of the eastern Mediterranean preserves an ancient ocean

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Earth's layers - solid inner core, liquid outer core, mantle and crust. Illustration: shutterstock

The earthquakes that tell the story of the Earth's core

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A stamp issued in the USA on the occasion of Earth Day

The 10 most important discoveries in earth science

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