Researchers are closer to unraveling a longstanding solar mystery surrounding the extreme thinness of the sun's tachocline layer of strong shearing motion—a region believed to be critical for creating the violent eruptions ...
Astronomy
Jul 8, 2026
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This image from NASA's Hubble Space Telescope showcases Messier 3 (M3), one of the Milky Way's most massive globular clusters, or spherical collections of gravitationally bound stars.
Astronomy
Jul 8, 2026
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Astronomers spend much of their time mapping the universe, but until now their results have been collected and archived in so many different ways that the data can't talk to each other.
Astronomy
Jul 8, 2026
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Astronomers using the James Webb Space Telescope have identified what may be the most distant barred spiral galaxy ever discovered, dating to a time less than 1.2 billion years after the Big Bang. The paper outlining its ...
Astronomers using computer simulations have investigated whether a class of star clusters nicknamed "cosmic wallflowers" could be the long-sought ancestors of the globular clusters we see orbiting galaxies today. Their paper, ...
Researchers working with data from the South Pole Telescope have released a major catalog of galaxy clusters, giving scientists a powerful new tool for studying how the universe grew and changed over billions of years. The ...
Astronomy
Jul 7, 2026
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Where does the solar system end and interstellar space begin? That's a question scientists have been working to answer using spacecraft traveling beyond the sun's influence. A team of researchers from the Southwest Research ...
Astronomy
Jul 7, 2026
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The galaxy Centaurus A is about 11 million light-years away and is the fifth-brightest galaxy in the sky. Because it's so bright, it's been studied extensively by amateur and professional astronomers alike. Also called NGC ...
Astronomy
Jul 7, 2026
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Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets. Things mistaken for UFOs.
Astronomy
Jul 7, 2026
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The European Space Agency's Euclid space telescope has discovered 31 of the most ancient quasars ever found. Two of these giant and dazzling galaxy cores, powered by gargantuan black holes, are the earliest quasars yet observed ...
Astronomy
Jul 6, 2026
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