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Meteorite analysis shows Earth’s building blocks contained water

Microsphere from the meteorite: The iron oxide spherule found in the “Domaine du Météore” crater has a core composed of minerals typical for the crater environment and also contains a large number of microdiamonds. Photo: Frank Brenker, Goethe University Frankfurt

Meteorite crater discovered in French winery

Meteorites

Meteorites reveal likely origin of Earth’s volatile chemicals

A depiction of an asteroid heading toward Earth, with the moon in the background. (Image credit: Juan Gartner via Getty Images)

The largest meteorite impacts on Earth

Meteorites

Evidence that giant meteorite impacts created the continents

The asteroid belt between Jupiter and Mars is the main source of extraterrestrial material that lands on Earth. (Illustration: ESA/ATG Medialab)

Size doesn’t matter: Rock composition determines how deadly a meteorite impact...

Scientist reveals cause of lost magnetism at meteorite site

The asteroid belt between Jupiter and Mars is the main source of extraterrestrial material that lands on Earth. (Illustration: ESA/ATG Medialab)

Earth’s meteorite impacts over past 500 million years tracked

Fungi sample, hypha and sphere in a drill core sample from 540 m depth in the Siljan impact structure, scanning electron microscope image (width ~70 µm). Credit Henrik Drake.

Europe’s largest meteorite crater – home to deep ancient fungi

Quartz is one of the most common crystals on Earth

Meteorite strikes may create unexpected form of silica

Piece of the meteorite Sahara 97096 (about 10 cm long), an enstatite chondrite that contains about 0.5 weight % of water. If Earth formed entirely of this material, it would have received 23 times the total mass of water present in the Earth's oceans. Credit: L. Piani, Museum of Natural History in Paris

Meteorite study suggests Earth may have been wet since it formed

They may not look like much, but CI chondrites – small fragile meteorites as shown here – are thought to be our best compositional equivalents of the bulk material of our solar system.

Earth formed much faster than previously thought

An example of a Pallasite meteorite (from the Esquel fall) on display in the Vale Inco Limited Gallery of Minerals at the Royal Ontario Museum.

Meteorite contains the oldest material on Earth: 7-billion-year-old stardust

Murchison meteorite

Sugar delivered to Earth from space

An orthophoto of Wolfe Creek Crater. An orthophoto is an aerial photograph that has been geometrically corrected so that the scale is uniform and the photo has the same lack of distortion as a map. Credit: University of Wollongong

New study reveals secrets of Wolfe Creek Crater

Maps of the Siljan impact structure and study locations. a Map of Sweden with the Siljan area indicated. b Geological map of the Siljan impact structure with locations of the cored boreholes and the quarry sampled for mineral coatings indicated, along with the sedimentary units in the crater depression, towns, lakes (white) and roads (black lines). Gas compositions exist from boreholes VM2 and VM5 (located adjacent to VM2). Credit: Nature Communications, 2019

Europe’s largest meteorite crater home to deep ancient life

The Wedderburn meteorite. (Museums Victoria/CC BY 4.0)

Scientists Confirm The Discovery of a Mineral Never Before Seen in...

The 21 shocked and unshocked zircon crystals dated in this study were separated from this ~30 cubic centimeters of unconsolidated late Eocene sediment obtained from Ocean Drilling Project site 1073, hole A. Credit: Biren/ASU

Researchers study largest impact crater in the US, buried for 35...

An example of a Pallasite meteorite (from the Esquel fall) on display in the Vale Inco Limited Gallery of Minerals at the Royal Ontario Museum.

Meteorite strikes made life on Earth possible

Researchers searching for fossils kept finding tiny glassy spheres inside ancient clams. After more than a decade, testing suggests they are evidence of one or more undocumented meteorite impacts in Florida’s distant past. Credit: Florida Museum photo by Kristen Grace

Cosmic pearls: Fossil clams in Florida contain evidence of ancient meteorite

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