Science News

What Makes Diamonds Blue? Boron From Oceanic Crustal Remnants in Earth's Lower Mantle

What Makes Diamonds Blue? Boron From Oceanic Crustal Remnants in Earth's Lower Mantle

Blue diamonds—like the world-famous Hope Diamond at the National Museum of Natural History—formed up to four times deeper in the Earth's mantle than most other diamonds, according to new work published on the cover of Nature.

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A Dozen New Moons of Jupiter Discovered, Including One "Oddball"

A Dozen New Moons of Jupiter Discovered, Including One

Twelve new moons orbiting Jupiter have been found—11 "normal" outer moons, and one that they're calling an "oddball." This brings Jupiter's total number of known moons to a whopping 79—the most of any planet in our Solar System.

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New and Improved Way to Find Baby Planets

New and Improved Way to Find Baby Planets

New work from an international team of astronomers including Carnegie's Jaehan Bae used archival radio telescope data to develop a new method for finding very young extrasolar planets.

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Modern Volcanism Tied to Events Occurring Soon After Earth’s Birth

Modern Volcanism Tied to Events Occurring Soon After Earth’s Birth

Plumes of hot magma from the volcanic hotspot that formed Réunion Island in the Indian Ocean rise from an unusually primitive source deep beneath the Earth's surface.

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How Does Water Change the Moon’s Origin Story?

 How Does Water Change the Moon’s Origin Story?

Ongoing research about the Moon's chemistry is revealing that it may be wetter than initially thought, which raises questions about some aspects of this origin story.

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When Do Aging Brown Dwarfs Sweep the Clouds Away?

When Do Aging Brown Dwarfs Sweep the Clouds Away?

Brown dwarfs, the larger cousins of giant planets, undergo atmospheric changes from cloudy to cloudless as they age and cool. A team of astronomers led by Carnegie's Jonathan Gagné measured for the first time the temperature at which this shift happens in young brown dwarfs.

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