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Unexpected Dust Patterns Found on Uranus Moons Confound Scientists
Los Angeles CA (SPX) Jun 12, 2025 Scientists using NASA's Hubble Space Telescope set out to detect radiation-induced surface changes on Uranus' largest moons but uncovered a different phenomenon altogether. The team had hypothesized that charged particles from Uranus' magnetosphere would darken the trailing hemispheres of its four major moons-Ariel, Umbriel, Titania, and Oberon-due to constant bombardment. These moons are tidally locked, meaning the same side always faces the direction of travel. Scientists expected the leading si ... read more |
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SwRI study shows Europa's icy surface constantly reshapingLos Angeles CA (SPX) Jun 02, 2025 A new investigation led by Dr. Ujjwal Raut at Southwest Research Institute highlights that Europa's icy surface is dynamic and continuously evolving. Recent experiments support James Webb Space Tele ... more 
The hunt for mysterious 'Planet Nine' offers up a surpriseParis (AFP) May 29, 2025 It's an evocative idea that has long bedevilled scientists: a huge and mysterious planet is lurking in the darkness at the edge of our solar system, evading all our efforts to spot it. ... more
Jupiter Was Formerly Twice Its Current Size and Had a Much Stronger Magnetic FieldPasadena CA (JPL) May 22, 2025 Understanding Jupiter's early evolution helps illuminate the broader story of how our solar system developed its distinct structure. Jupiter's gravity, often called the "architect" of our solar syst ... more 
SwRI Gathers First Ultraviolet Data from NASA's Europa Clipper MissionLos Angeles CA (SPX) May 19, 2025 The Ultraviolet Spectrograph (UVS) aboard NASA's Europa Clipper, developed by the Southwest Research Institute (SwRI), has completed its initial commissioning phase following the spacecraft's Octobe ... more |
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NASA's Hubble Telescope May Have Uncovered a Triple System in the Kuiper BeltLos Angeles CA (SPX) Mar 10, 2025 A team of astronomers analyzing data from NASA's Hubble Space Telescope and the W. M. Keck Observatory in Hawaii has likely discovered a rare three-body system in the Kuiper Belt. If confirmed, this ... more 
NASA's Europa Clipper Leverages Mars for Critical Gravity AssistLos Angeles CA (SPX) Feb 26, 2025 On March 1, NASA's Europa Clipper will execute a close flyby of Mars, passing just 550 miles (884 kilometers) above the planet's surface. This maneuver, known as a gravity assist, will adjust the sp ... more 
Oort cloud resembles a galaxy, new study findsWashington DC (UPI) Feb 23, 2025 A shell of icy objects at the edge of the solar system known as the Oort cloud has a pair of spiral arms that resemble a miniature galaxy, new research suggests. ... more
The PI's Perspective: A New Mission Update for the New YearBoulder CO (SPX) Feb 18, 2025 New Horizons is healthy and continuing to speed outward across the Kuiper Belt. Our spacecraft is 61 times as far from the Sun as Earth, or over 5.5 billion miles from home! Radio signals, traveling ... more 
NASA's Webb Uncovers Ancient Features of Trans-Neptunian ObjectsLos Angeles CA (SPX) Feb 16, 2025 Trans-Neptunian objects (TNOs) are a diverse group of icy bodies orbiting beyond Neptune, ranging in size from dwarf planets such as Pluto and Eris, with diameters of approximately 1,500 miles, to m ... more |
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New Study Suggests Trench-Like Features on Uranus' Moon Ariel May Be Windows to Its Interior
Laurel MD (SPX) Feb 05, 2025 Last year, a study led by planetary scientist Richard Cartwright at the Johns Hopkins Applied Physics Laboratory (APL) in Laurel, Maryland, proposed that deposits of carbon dioxide ice and other carbon-bearing molecules on Uranus' moon Ariel likely originated from chemical processes inside the moon - possibly even from a subsurface ocean. Now, new research may shed light on how those materials reached (or are even still reaching) the surface. A study led by APL planetary geologist Chloe Beddingfie ... read more 
NASA Juno Mission Discovers Record-Breaking Volcanic Activity on IoLos Angeles CA (SPX) Jan 29, 2025 NASA's Juno mission has uncovered an extraordinary volcanic feature on Io, Jupiter's highly active moon. This newly discovered hot spot, located in Io's southern hemisphere, surpasses Earth's Lake S ... more |
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SwRI models suggest Pluto and Charon formed similarly to Earth and MoonLos Angeles CA (SPX) Jan 10, 2025 A NASA postdoctoral researcher at the Southwest Research Institute (SwRI) has employed advanced simulations to propose that Pluto and its largest moon, Charon, formed in a manner akin to the Earth-M ... more 
Citizen scientists help decipher Jupiter's cloud compositionLos Angeles CA (SPX) Jan 08, 2025 Citizen scientists and professional astronomers have collaborated to unveil key details about the composition of Jupiter's clouds. Findings indicate the clouds are likely made of ammonium hydrosulph ... more 
Capture theory unveils how Pluto and Charon formed as a binary systemLos Angeles CA (SPX) Jan 07, 2025 New research from the University of Arizona reveals that Pluto and its largest moon, Charon, likely formed through a unique "kiss and capture" event. Unlike previous theories that compared their for ... more 
Texas A and M researchers illuminate the mysteries of icy ocean worldsCollege Station TX (SPX) Dec 26, 2024 As NASA's Europa Clipper embarks on its historic journey to Jupiter's icy moon, Europa, Dr. Matt Powell-Palm, a faculty member at Texas A and M University's J. Mike Walker '66 Department of Mechanic ... more 
Jovian vortex hunter catalog reveals stunning insights into Jupiter's atmosphereLos Angeles CA (SPX) Dec 18, 2024 The Jovian Vortex Hunter project has released a groundbreaking catalog of 7,222 atmospheric vortices on Jupiter, showcasing immense swirling storms captured over the last two years. Each vortex repr ... more |
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