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Earth Sciences Sep 18, 2019

Dust from a giant asteroid crash caused an ancient ice age

About 466 million years ago, long before the age of the dinosaurs, the Earth froze. The seas began to ice over at the Earth's poles, and the new range of temperatures around the planet set the stage for a boom of new species ...

Earth Sciences Sep 11, 2019

Mineral never before found naturally on Earth discovered in meteorite

A team of researchers from the California Institute of Technology, the University of California and Maine Mineral & Gem Museum has found a mineral in a meteorite that does not form naturally on Earth. In their paper published ...

Space Exploration Sep 11, 2019

Recipe for planets

It's not every day that clues about the origin of our solar system fall from the sky, but one Victoria University of Wellington researcher has found just that—in a meteorite that collided with Earth 50 years ago.

Space Exploration Sep 5, 2019

'Martian CSI' reveals how asteroid impacts created running water under red planet

Modern analysis of Martian meteorites has revealed unprecedented details about how asteroid impacts help create temporary sources of running water on the red planet.

Astronomy Aug 29, 2019

By continuously watching the moon, we could detect interstellar meteorites

When "Oumuamua crossed Earth's orbit on October 19th, 2017, it became the first interstellar object ever to be observed by humans. These and subsequent observations, rather than dispelling the mystery of "Oumuamua's true ...

Space Exploration Aug 22, 2019

New images from asteroid probe yield clues on planet formation (Update)

Photographs snapped by a shoebox-sized probe that explored the near-Earth asteroid Ryugu offer new clues about its composition, insights that are expected to help scientists understand the formation of our solar system.

Earth Sciences Aug 13, 2019

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

About 35 million years ago, an asteroid hit the ocean off the East Coast of North America. Its impact formed a 25-mile diameter crater that now lies buried beneath the Chesapeake Bay, an estuary in Virginia and Maryland. ...

Earth Sciences Aug 13, 2019

Meteorite strikes made life on Earth possible

Meteorites from the far reaches of the solar system delivered large amounts of water, carbon and volatile substances to the Earth. Only then could the Earth host life. Dr. María Isabel Varas-Reus, Dr. Stephan König, Aierken ...

Earth Sciences Aug 12, 2019

Key phosphorus-based molecule for life on Earth may have come from space

The answer to "How did the first organisms on Earth incorporate the critical element phosphorus?" has been a quandary for researchers, but, University of Hawaiʻi at Mānoa physical chemists believe a meteoric visitor could ...

Space Exploration Jul 25, 2019

Researchers seeking fragments of fireball in Ontario

Researchers are seeking the public's help in locating fragments of a fireball that shone as bright as the full moon observed by Western's All-Sky Camera Network across at 2:44 a.m. ET this morning.

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