“Extraterrestrial” –Discovery of Alien Isotope Prompts Rethink of Origins of Elements on Earth

     Pair-Instability Supernova

 

The first-ever discovery of an extraterrestrial radioactive isotope on Earth has scientists rethinking the origins of the elements on our planet. The tiny traces of plutonium-244 (Pu-244) were found in ocean crust alongside radioactive iron-60. The two isotopes are evidence of violent cosmic events in the vicinity of Earth millions of years ago.

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Last Week’s Top 5 Space & Science Headlines –“Globular Cluster Extraterrestrials to Earth’s Third Pole”

ESO VLT

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Last Week’s Top 5 Space & Science Headlines –NASA’s “Epic” Ingenuity Helicopter to Milky Way’s Ancient K Stars

Quantum Physics

 

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“Existing for Billions of Years” –Exoplanets Engulfed by Magma Oceans May Evolve Water-Rich Atmospheres

Exoplanet Wasp 121b

 

 

“Liquid magma is actually quite runny,” said University of Chicago planetary scientist, Edwin Kite, about a new study by University of Chicago and Stanford University researchers suggesting a mechanism where planets could develop atmospheres full of water vapor similar to what makes life on Earth’s surface possible, regulating our climate and sheltering us from damaging cosmic rays.

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Planet Earth Report –“NASA’s Hunt for Fossils on Mars has Begun to Space Hurricane Above North Pole”

Earth from Space

 

“Planet Earth Report” provides descriptive links to headline news by leading science journalists about the extraordinary discoveries, technology, people, and events changing our knowledge of Planet Earth and the future of the human species.

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The Galaxy Report -Mystery of Giant Galaxies at Dawn of the Cosmos to ‘Unicorn’ Black Holes

The Galaxy Report

 

Welcome to this week’s fix of news of space and science –a random journey from Planet Earth through the Cosmos– that has the capacity to provide clues to our existence and add a much needed cosmic perspective in our current epoch. The Galaxy Report is also available here as a twice-weekly newsletter that includes exclusive feature stories.

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