STELLAR CHEMISTRY

News About Stellar Chemistry

4,992 articles

Galaxies reveal hidden maps of dark matter in the early universe
Sep 25, 2025 (SPX)
In a newly published study in Astrophysical Journal Letters, researchers used what they said are the largest-ever samples of special galaxies called Lyman-alpha...
Interstellar objects may hold key to accelerating giant planet growth around young stars
Sep 25, 2025 (SPX)
These wandering asteroid- and comet-like bodies are ejected from their home systems and drift through interstellar space, occasionally crossing into other star ...
Gravitino emerges as contender in dark matter search
Sep 22, 2025 (SPX)
Traditionally, dark matter candidates have been neutral, such as axions or weakly interacting massive particles (WIMPs). Yet none have been found. In contrast, ...
Mixing neutrinos of colliding neutron stars changes how merger unfolds
Sep 19, 2025 (SPX)
The paper, published in the journal Physical Review Letters, is the first to simulate the transformation of neutrino "flavors" in neutron star mergers. Neutrino...
Simulations reveal origins of globular clusters and uncover hybrid star systems
Sep 17, 2025 (SPX)
Globular clusters contain hundreds of thousands to millions of stars orbiting galaxies like the Milky Way. Unlike galaxies, they lack dark matter and host stars...
JUNO begins decade-long mission to probe neutrino mysteries
Sep 17, 2025 (SPX)
Neutrinos are the most abundant particles in the cosmos, with trillions streaming through every person each second. Yet they rarely interact with matter, making...
Manipulating light to advance quantum entanglement research
Sep 07, 2025 (SPX)
Superradiance, first described by Robert Dicke in 1954, occurs when atoms emit light more strongly in sync, similar to a choir singing in unison. Typically, thi...
New study maps ripples and hidden structures in southern Milky Way
Sep 07, 2025 (SPX)
Spiral galaxies like the Milky Way are generally flat, but the team found that the Galaxy's cold gas distribution is warped into a wave-like pattern. These ripp...
Enhanced CHARA Array to Gain Full Spectrum Observing Power with NSF Grant
Sep 03, 2025 (SPX)
Funded through the NSF's Major Research Instrumentation Program, the project will deliver advanced optics, new controllers, and a high-sensitivity tracking dete...
Massive stars in low metal galaxies frequently form binaries
Sep 03, 2025 (SPX)
For two decades, it has been known that many massive stars in the Milky Way are part of binary systems. More recently, astronomers realized that such interactio...
Hypervelocity white dwarfs traced to explosive stellar mergers
Sep 03, 2025 (SPX)
The research, led by Dr. Hila Glanz of the Technion - Israel Institute of Technology, used advanced three-dimensional hydrodynamic simulations to model the merg...
International collaboration doubles detection of cosmic collisions
Sep 03, 2025 (SPX)
An international team of researchers has announced a significant advancement in gravitational-wave astronomy, with the detection of 128 new cosmic collisions in...
JUNO detector filled and operational for neutrino research
Sep 01, 2025 (SPX)
Situated 700 meters underground, JUNO measures antineutrinos from nearby nuclear power plants with record precision. Its approach is largely unaffected by Earth...
MWA enters Phase III: A new era for WA's window on the Universe
Sep 01, 2025 (SPX)
Operating since 2013, the MWA is a powerful telescope comprising 8,192 antennas spread across more than 30sqkm on Wajarri Yamaji land, about 300km north-east of...
Star's Tumultuous Core Uncovered Before Supernova Blast
Sep 01, 2025 (SPX)
Cassiopeia A, one of the most studied remnants in the night sky, began as a massive star that lived for more than a million years. As with other massive stars, ...
New detectors aim to capture lighter forms of dark matter
Sep 01, 2025 (SPX)
Researchers believe dark matter makes up about 85 percent of the universe, yet no direct laboratory evidence has been found. The new technology expands the sear...
Gaia uncovers vast networks of stellar clusters across the Milky Way
Sep 01, 2025 (SPX)
Launched in 2013 and operating until early 2025, Gaia has already transformed astronomy by charting the positions, motions, and brightness of billions of stars ...
Giant star stripped to its core reveals origins of silicon and sulfur
Aug 26, 2025 (SPX)
The discovery centers on SN2021yfj, a stellar explosion detected in September 2021 by the Zwicky Transient Facility. Unlike most observed supernovae, which main...
Interstellar comet 3I ATLAS studied by Webb Hubble and SPHEREx
Aug 26, 2025 (SPX)
The Webb observations add to efforts by other NASA missions. The Hubble Space Telescope and the newly launched SPHEREx mission are also gathering data on the co...
Massive binary star system confirmed in Milky Way cluster
Aug 26, 2025 (SPX)
NGC 3603-A1 is located in a dazzling cluster of stars known as NGC 3603, located some 25,000 light-years from Earth. This region is one of the most active star-...
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