Imagine if Earth's history had a mystery novel, and one of its biggest unsolved puzzles was: Where did all the nitrogen go? Scientists have long known that our planet's rocky outer layers—the mantle—are oddly poor in ...
Earth Sciences
Apr 11, 2025
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8
Photoluminescent materials are more than just the glow-in-the-dark stars your parents glued to your bedroom ceiling as a child. Photoluminescent materials are widely used in applications ranging from medical imaging to TV ...
Analytical Chemistry
Mar 26, 2025
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0
At least two mass extinction events in Earth's history were likely caused by the "devastating" effects of nearby supernova explosions, a new study suggests.
Astrobiology
Mar 13, 2025
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300
The shape of a planet's orbit is one of its fundamental properties, along with its size and distance from its host star. Earth has a nearly circular orbit, but some planets outside our solar system, called exoplanets, have ...
Planetary Sciences
Mar 5, 2025
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51
In a surprising turn of events, an international team of scientists has found that lead-208 (208Pb), the heaviest known "doubly magic" nucleus, exhibits unexpected shape characteristics that current nuclear models fail to ...
Scattering takes place across the universe at large and miniscule scales. Billiard balls clank off each other in bars, the nuclei of atoms collide to power the stars and create heavy elements, and even sound waves deviate ...
Quantum Physics
Feb 11, 2025
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104
Researchers from Kyushu University, Japan have revealed how a special type of force within an atom's nucleus, known as the three-nucleon force, impacts nuclear stability. The study, published in Physics Letters B, provides ...
General Physics
Jan 28, 2025
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246
Life on Earth could not exist without carbon. But carbon itself could not exist without stars. Nearly all elements except hydrogen and helium—including carbon, oxygen and iron—only exist because they were forged in stellar ...
Astronomy
Jan 3, 2025
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305
Controlled chaos is a key part of forming massive stars. An international team of astronomers has observed evidence that massive stars can be born from rapidly collapsing clouds of gas and dust, challenging long-held assumptions ...
Astronomy
Oct 22, 2024
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108
For the past 10 years, Australia's ARC Center of Excellence in All Sky Astrophysics in 3 Dimensions (ASTRO 3D) has been investigating star formation, chemical enrichment, migration, and mergers in the Milky Way with the Anglo-Australian ...
Astronomy
Oct 7, 2024
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