Astronomy on MSN
Did Earth's water really come from meteorites?
For many years, planetary scientists have believed that water-rich meteorites arriving late in Earth's history (OK, the time ...
Until now, only a small fraction of meteorites that land on Earth had been firmly linked back to their parent body out in space – but a set of new studies has just given us compelling origin stories ...
Where do meteorites of different type come from? In a review paper, astronomers trace the impact orbit of observed meteorite falls to several previously unidentified source regions in the asteroid ...
How did meteorite impacts on the Moon influence water being delivered to Earth when both planetary bodies were forming? This is what a recent study publish | Space ...
For a long time, scientists assumed that Earth's water was delivered by asteroids and comets billions of years ago. This coincided with the Late Heavy Bombardment (ca. 4.1 to 3.8 billion years ago), a ...
Modern Engineering Marvels on MSN
A Welsh beach rock held 4.5 billion years of history: why that changes the story
Meteorites are able to conserve substance that is aged which is older than any rock on Earth, and that is why a dark and heavy rock found by a nine-year-old on a beach in Wales has scientific weight ...
Mars has a distinct structure in its mantle and crust with discernible reservoirs, and this is known thanks to meteorites that scientists at Scripps Institution of Oceanography at UC San Diego and ...
Add Yahoo as a preferred source to see more of our stories on Google. The icy plains of Antarctica are a magnet for meteorite hunters such as Maria Valdes, a research scientist at the Field Museum of ...
Geologic map of the asteroid belt. Circles identify the asteroid families from which our meteorites originate and letters mark the corresponding meteorite type. The horizontal axis ranges from short ...
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The icy plains of ...
Meteorites are disappearing into the ice, putting them out of the reach of scientists. “As the climate continues to warm, Antarctic rocks are sinking into the ice at an increasing rate. Over time, ...
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