Astronomy & Astrophysics
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Astronomy Ph.D. candidate researching mysteries of sub-Neptune planets wins fellowship
Sagnick Mukherjee will continue his work with generous support from the Heising-Simons Foundation
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Long-accepted theory explaining the nature of our universe may need updating, new analysis indicates
New results from Dark Energy Spectroscopic Instrument hint that the influence of mysterious force driving universe’s accelerating expansion may change over time
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Research Corporation for Science Advancement honors Enrico Ramirez-Ruiz
Enrico Ramirez-Ruiz has been named a recipient of the Research Corporation for Science Advancement’s (RCSA) Robert Holland Jr. Award, which honors outstanding contributions to research, leadership, and mentorship in the sciences.
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Astrophysicist explores interconnectedness of art and science
A new book by UC Santa Cruz astrophysicist and visual artist Nia Imara debuts tomorrow that explains the universe and traces how art has blended with science throughout human history.
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Cosmic radiation from supernova altered virus evolution in Africa, study proposes
A new study led by recent undergraduate student Caitlyn Nojiri and co-authored by astronomy and astrophysics professor Enrico Ramirez-Ruiz and postdoctoral fellow Noémie Globus examined iron isotopes to identify a 2.5 million-year-old supernova. The researchers connected this stellar explosion to a surge of radiation that pummeled Earth around the same time, and they assert that…
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Hubble Telescope images combined into giant mosaic of neighboring Andromeda Galaxy
Astronomers are celebrating the completion of a 2.5-billion-pixel panoramic picture of the entire Andromeda Galaxy. The team includes several UC Santa Cruz researchers who made significant contributions to the enormous photomosaic that combines some 600 snapshots taken by the Hubble Space Telescope over more than a decade and 1,000 orbits.
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American Astronomical Society honors four UC Santa Cruz affiliates at national meeting
At this week’s AAS national meeting, the society named UC Observatories Director Bruce Macintosh and two alumni, Laura Lopez and Mark Phillips, among the 24 new fellows chosen for 2025.
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Researchers link mysterious cosmic signals to collapsed stars
An international team of scientists has provided the clearest evidence yet that some fast radio bursts (FRBs)—enigmatic, millisecond-long flashes of radio waves from space—originate from neutron stars, the ultra-dense remnants of massive stars that have exploded in a supernova.
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Professor J. Xavier Prochaska to deliver December 4 Kraw Lecture
The Kraw Lecture Series aims to help audiences better understand the big picture behind scientific research at UC Santa Cruz and the broader trends at play. This tradition continues with the December 4 talk on how artificial intelligence (AI) is accelerating the scientific pursuit.
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24 in 2024: list of most highly cited researchers includes UC Santa Cruz scientists and engineers
In a notable recognition of scholarly achievement, 24 scientists and engineers from UC Santa Cruz have earned a spot on the 2024 Highly Cited Researchers list, recently unveiled by Clarivate.
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Team discovers ultra-massive galaxies in early Universe that challenge standard cosmology
An international team of astronomers has identified three ultra-massive galaxies—each nearly as massive as the Milky Way—already in place within the first billion years after the Big Bang. The discovery is surprising because it indicates that the formation of stars in the early Universe was far more efficient than previously thought, challenging current models of…
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Ultra-small spectrometer yields the power of a 1,000 times bigger device
UC Santa Cruz researchers are designing new ways to make spectrometers that are ultra-small but still very powerful, to be used for anything from detecting disease to observing stars in distant galaxies