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The Ultraviolet Mystery Inside Newborn Stars November 29, 2025
Young stars buried deep in molecular clouds are bathed in ultraviolet radiation, but they shouldn't be. Protostars are too cold and dim to produce UV light themselves, yet James Webb Space Telescope observations of five stellar nurseries in Ophiuchus reveal its unmistakable signature affecting the surrounding gas. Astronomers tested the obvious explanation that nearby massive […]
Modeling Venus Volcanic Plumes to Cloud-Level Heights November 28, 2025
What is the importance of studying explosive volcanism on Venus? This is what a recent study published in the Journal of Geophysical Research: Planets hopes to address as a team of scientists investigated the potential altitudes of explosive volcanism on Venus. This study has the potential to help scientists better understand the present volcanic activity […]
Nancy Grace Roman Has Been Shaken, Frozen, and Screamed At. Now It's Ready For Its Next Round of Tests November 28, 2025
The Nancy Grace Roman Space Telescope continues its inexorable march toward launch. It recently completed another series of tests that brings it a few steps closer to a launch pad in Florida. This time, the telescope was split into two separate parts - an inner portion and an outer portion, each of which went through […]
Massive Computer Simulation Creates a Hyper-Realistic Model of the Milky Way November 27, 2025
Research led by the RIKEN Center for Interdisciplinary Theoretical and Mathematical Sciences (iTHEMS) in Japan has successfully performed the world’s first Milky Way simulation that accurately represents more than 100 billion individual stars over the course of 10,000 years.
Galaxies Struggle To Grow In Crowded Environments November 27, 2025
New research shows how a galaxy's surroundings influence its development. Its size, shape, and growth rate are all affected. It's all based on "the finer details of the cosmic landscape."