Space and astronomy News Source

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Researchers find certain biosignature molecules may not indicate life is present, contrary to popular thought.

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Johns Hopkins Medicine scientists who arranged for 48 human bioengineered heart tissue samples to spend 30 days at the International Space Station report evidence that the low gravity conditions in space weakened the tissues and disrupted their normal rhythmic beats when compared to earth-bound samples from the same source.

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Observations using the Dark Energy Camera (DECam) confirm astronomers’ expectation that early-Universe quasars formed in regions of space densely populated with companion galaxies. DECam’s exceptionally wide field of view and special filters played a crucial role in reaching this conclusion, and the observations reveal why previous studies seeking to characterize the density of early-Universe quasar neighborhoods have yielded conflicting results.

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Observations using the Dark Energy Camera (DECam) confirm astronomers’ expectation that early-Universe quasars formed in regions of space densely populated with companion galaxies. DECam’s exceptionally wide field of view and special filters played a crucial role in reaching this conclusion, and the observations reveal why previous studies seeking to characterize the density of early-Universe quasar neighborhoods have yielded conflicting results.

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Observaciones realizadas con la Cámara de Energía Oscura (DECam, por sus siglas en inglés) confirman las expectativas de los astrónomos de que los cuásares del Universo primitivo se formaron en regiones del espacio densamente pobladas con galaxias compañeras. El enorme campo de visión de DECam y sus filtros especiales jugaron un papel fundamental para llegar a esta conclusión. Además, estas observaciones revelan la razón por la que los estudios previos que buscaban caracterizar la densidad de los vecindarios de los cuásares en el Universo primitivo arrojaban resultados contradictorios.

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Observaciones realizadas con la Cámara de Energía Oscura (DECam, por sus siglas en inglés) confirman las expectativas de los astrónomos de que los cuásares del Universo primitivo se formaron en regiones del espacio densamente pobladas con galaxias compañeras. El enorme campo de visión de DECam y sus filtros especiales jugaron un papel fundamental para llegar a esta conclusión. Además, estas observaciones revelan la razón por la que los estudios previos que buscaban caracterizar la densidad de los vecindarios de los cuásares en el Universo primitivo arrojaban resultados contradictorios.

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UTHealth Houston and The Ocean Corporation are collaborating on UTHealth Houston’s Space Medicine Training Fellowship program, which now includes a two-week intensive training focused on hyperbaric technologies and analog environments akin to those astronauts experience during extravehicular activities (EVAs), or space walks.

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Dr. Mehmet Sarp Yalim, a research scientist in the Center for Space Plasma and Aeronomic Research (CSPAR) at The University of Alabama in Huntsville (UAH), a part of the University of Alabama System, has won a $608,000 National Science Foundation (NSF) Solar, Heliospheric and INterplanetary Environment (SHINE) grant to study a process known as Joule, or Cowling, heating.

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An unexpected finding about how our universe formed is again raising the question: do we need new physics? The answer could fundamentally change what physics students are taught in classes around the world.

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Ved Chirayath has been awarded the prestigious Moore Inventor Fellowship to advance his work in mapping the world’s oceans.

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Arp 107, a pair of interacting galaxies, shines brightly in high-resolution infrared light. A collision, which occurred hundreds of millions ago, created a tenuous bridge of gas and dust that connects the two galaxies, and started a new wave of star formation that NASA’s James Webb Space Telescope captures clearly.

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A newly discovered cluster-scale strong gravitational lens, with a rare alignment of seven background lensed galaxies, provides a unique opportunity to study cosmology.

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Her father was a renowned physicist who studied black holes, and her mother is a prominent molecular biophysicist. You could say that physics is in her DNA. But physics isn’t the only thing in Illinois Grainger Engineering professor Smitha Vishveshwara’s blood; so are the arts.

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Using Hubble, astronomers have found more black holes in the early universe than previously thought. They went black hole hunting in the landmark Hubble Ultra Deep Field, first revealed in 2004, and in following observations to look for supermassive black holes.

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SpaceX’s first commercial space mission, Polaris Dawn, arrived home safely and officially made history. ...

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A cosmic question mark?

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Dr. Robert Ferl, a molecular biologist and professor at the University of Florida, discusses his work on understanding how organisms, particularly plants, adapt to extreme environments, including space. He highlights his recent spaceflight aboard Blue Origin’s New Shepard, where he conducted experiments to study the effects of space travel on plants.

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Scientists uncover new experimental data that will help them better understand how heavy elements are created in stars and the processes that shape the chemical makeup of the universe.

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Photons, neutrinos, cosmic rays and gravitational waves all carry information about the Universe. Multi-messenger astronomy brings together these four signals to investigate astronomical events from multiple cosmic perspectives.

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Photons, neutrinos, cosmic rays and gravitational waves all carry information about the Universe. Multi-messenger astronomy brings together these four signals to investigate astronomical events from multiple cosmic perspectives.