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Earth Sciences Aug 27, 2020

Meteorite study suggests Earth may have been wet since it formed

A new study finds that Earth's water may have come from materials that were present in the inner solar system at the time the planet formed—instead of far-reaching comets or asteroids delivering such water. The findings ...

Materials Science Aug 26, 2020

Meteorite strikes may create unexpected form of silica

When a meteorite hurtles through the atmosphere and crashes to Earth, how does its violent impact alter the minerals found at the landing site? What can the short-lived chemical phases created by these extreme impacts teach ...

Astrobiology Aug 25, 2020

Pristine space rock offers NASA scientists peek at evolution of life's building blocks

During a 2012 expedition to Antarctica, a team of Japanese and Belgian researchers picked up a small rock that appeared coal black against the snow white. Now known as meteorite Asuka 12236, it was roughly the size of a golf ...

General Physics Aug 10, 2020

International team develops new method to determine origin of stardust in meteorites

Analysis of meteorite content has been crucial in advancing our knowledge of the origin and evolution of our solar system. Some meteorites also contain grains of stardust. These grains predate the formation of our solar system ...

Space Exploration Aug 6, 2020

Fragments of asteroids may have jumped the gap in the early solar system

Using some cosmic detective work, a team of researchers has found evidence that tiny pieces of asteroids from the inner solar system may have crossed a gap to the outer solar system, a feat once thought to be unlikely.

Space Exploration Aug 6, 2020

Crater investigators explore Mars from afar

What can impacts from space teach us about the red planet?

Earth Sciences Aug 3, 2020

Iron-rich meteorites show record of core crystallization in system's oldest planetesimals

New work led by Carnegie's Peng Ni and Anat Shahar uncovers new details about our Solar System's oldest planetary objects, which broke apart in long-ago collisions to form iron-rich meteorites. Their findings reveal that ...

Earth Sciences Jul 31, 2020

Texas cave sediment upends meteorite explanation for global cooling

Texas researchers from the University of Houston, Baylor University and Texas A&M University have discovered evidence for why the earth cooled dramatically 13,000 years ago, dropping temperatures by about 3 degrees Centigrade.

Space Exploration Jul 30, 2020

Desert Fireball Network scientists find two meteorites in two weeks

Curtin University researchers have discovered two meteorites in a two week period on the Nullarbor Plain—one freshly fallen and the other from November 2019.

Earth Sciences Jul 29, 2020

How stony-iron meteorites form

Meteorites give us insight into the early development of the solar system. Using the SAPHiR instrument at the Research Neutron Source Heinz Maier-Leibnitz (FRM II) at the Technical University of Munich (TUM), a scientific ...

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