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Sun boundary map tracks shifting Alfven surface over solar cycle
Cambridge, MA (SPX) Dec 14, 2025 Astronomers have assembled the first continuous, two-dimensional maps of the outer edge of the Sun's atmosphere, tracing the boundary where the solar wind escapes the Sun's magnetic control. By combining these global maps with close-up measurements, researchers at the Center for Astrophysicshysics | Harvard and Smithsonian report that this boundary expands and becomes more irregular and spiky as solar activity increases, with implications for models of how the Sun influences Earth and other stars. ... read more |
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Mission Space to fly second space weather payload with Rogue SpaceOrlando, FL (SPX) Dec 14, 2025 Mission Space will launch its second payload in orbit in partnership with Rogue Space, extending its commercial space weather measurement network. The companies announced the mission during the Spac ... more 
New MAGE model links solar storms to geospace responseLos Angeles CA (SPX) Dec 14, 2025 NASA's Center for Geospace Storms, or CGS, has released the Multiscale Atmosphere-Geospace Environment model, or MAGE, a supercomputer-based system that uses NASA mission data to show how different ... more 
NASA's Parker Solar Probe Spies Solar Wind 'U-Turn'Greenbelt MD (SPX) Dec 14, 2025 Images captured by NASA's Parker Solar Probe as the spacecraft made its record-breaking closest approach to the Sun in December 2024 have now revealed new details about how solar magnetic fields res ... more 
Sun-watcher SOHO celebrates thirty yearsParis, France (SPX) Dec 12, 2025 On 2 December 1995 the ESA/NASA Solar and Heliospheric Observatory (SOHO) blasted into space - on what was supposed to be a two-year mission. From its outpost 1.5 million km away from Earth in ... more |
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Newly detected radiation in near-Earth space fades with rising solar activityBerlin, Germany (SPX) Nov 20, 2025 Scientists from HSE University and the Space Research Institute of the Russian Academy of Sciences analyzed ERG (Arase) satellite data collected over seven years, revealing details of the hectometri ... more 
Haystack scientists study recent geospace storms and light showsBoston MA (SPX) Nov 15, 2025 The northern lights, or aurora borealis, one of nature's most spectacular visual shows, can be elusive. Conventional wisdom says that to see them, we need to travel to northern Canada or Alaska. How ... more 
Solar storm brings new chance of vivid auroras, signal disruptionsWashington (AFP) Nov 13, 2025 Spectacular displays of auroras at abnormally low latitudes were expected again Wednesday night into Thursday, a result of intense solar activity which also carries risks to communication networks. ... more
ESA actively monitoring severe space weather eventParis, France (ESA) Nov 13, 2025 On 11 November 2025, an intense solar flare was observed, peaking around 10:04 UTC. Less than an hour later, a coronal mass ejection (CME) was detected, with an initial speed of approximately 1500 k ... more 
2025's strongest solar flare triggers global radio blackoutWashington DC (UPI) Nov 11, 2025 Scientists said the sun erupted Tuesday morning, unleashing a strong X5.1-class flare in an intense outburst, causing communications disruptions. ... more |
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Our Solar System Is Moving Faster Than Expected
Bielefeld, Germany (SPX) Nov 14, 2025 How fast and in which direction is our solar system moving through the universe? This seemingly simple question is one of the key tests of our cosmological understanding. A research team led by astrophysicist Lukas Bohme at Bielefeld University has now found new answers, ones that challenge the established standard model of cosmology. The study's findings have just been published in the journal Physical Review Letters. "Our analysis shows that the solar system is moving more than three times faste ... read more 
First comprehensive altitude mapping of blue aurora at 200 kilometers using hyperspectral imagingTokyo, Japan (SPX) Nov 06, 2025 Researchers at the National Institutes of Natural Sciences have established a new method to determine the altitude distribution of blue aurora using a single hyperspectral camera. Inspired by labora ... more |
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Solar Orbiter reveals rapid polar magnetic field drift on the SunBerlin, Germany (SPX) Nov 06, 2025 Data from ESA's Solar Orbiter spacecraft, collected during its unique vantage over the solar south pole, demonstrate that the Sun's magnetic field is carried towards the pole at speeds faster than p ... more 
ESA's first stand-alone deep-space CubeSat Henon takes shapeParis, France (SPX) Oct 30, 2025 The European Space Agency's upcoming Henon mission will be the first ever CubeSat to independently venture into deep space, communicate with Earth and manoeuvre to its final destination without rely ... more 
Newly Detected Twisting Magnetic Waves Offer Clues to Corona HeatingLos Angeles CA (SPX) Oct 28, 2025 Scientists have reported the first clear evidence of twisting magnetic waves in the Sun's corona, detected with the Daniel K. Inouye Solar Telescope operated by the National Solar Observatory. For d ... more 
Breakthrough detection of twisting Alfven waves reveals possible solar corona heating mechanismLondon, UK (SPX) Oct 27, 2025 Researchers have directly observed small-scale torsional Alfven waves in the Sun's corona for the first time, a key discovery achieved with the Daniel K. Inouye Solar Telescope in Hawaii. These elus ... more 
Newly detected rhythmic radio signals shed light on solar atmospheric structuresTokyo, Japan (SPX) Oct 23, 2025 Researchers in China have unveiled a previously unknown pattern in solar radio emissions, observed during a major flare on May 8, 2024. The discovery comes from observations made using the Chashan B ... more |
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