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Astronomy news
Webb reveals a sample of galaxies with unusual features, nicknamed 'Platypus'
After combing through NASA's James Webb Space Telescope's archive of sweeping extragalactic cosmic fields, a small team of astronomers at the University of Missouri says they have identified a sample of galaxies that have ...
Astronomy
43 minutes ago
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Webb finds early-universe analog's unexpected talent for making dust
Using NASA's James Webb Space Telescope, astronomers have spotted two rare kinds of dust in the dwarf galaxy Sextans A, one of the most chemically primitive galaxies near the Milky Way.
Astronomy
50 minutes ago
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Young galaxies grow up fast: Research reveals unexpected chemical maturity
Astronomers have captured the most detailed look yet at faraway galaxies at the peak of their youth, an active time when the adolescent galaxies were fervently producing new stars.
Astronomy
2 hours ago
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First sky map from NASA's SPHEREx observatory
NASA's SPHEREx Observatory has mapped the entire sky in 102 infrared colors, as seen here in this image released on Dec. 18, 2025. This image features a selection of colors emitted primarily by stars (blue, green, and white), ...
Astronomy
2 hours ago
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Webb telescope sheds light on ancient 'monster stars' that may reveal the birth of black holes
Using data from NASA's James Webb Space Telescope, astronomers from the Center for Astrophysics | Harvard & Smithsonian (CfA) have revealed the universe's most mysterious distant objects, known as little red dots, may actually ...
Astronomy
2 hours ago
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'Platypus' objects in the early universe look like stars but behave like galaxies
Scientists at the University of Missouri have identified a small group of unusual objects in the early universe. Using NASA's James Webb Space Telescope (JWST), Haojing Yan and his team at Mizzou's College of Arts and Science ...
Astronomy
2 hours ago
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Rare 'firework morphology' of supernova remnant Pa 30 may be due to white dwarf wind
In 1181 AD, a bright "guest star" was observed to linger in the sky for around six months. Nearly 850 years later, the likely remnants of this event were rediscovered and tentatively linked to the 1181 supernova and dubbed ...
Black hole shreds distant 'super sun,' unleashing a spectacular event known as the Whippet
A black hole has shredded a massive star like it was "preparing a snack for lunch," according to a team of scientists at the American Astronomical Society's annual meeting (5–8 January).
Astronomy
5 hours ago
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ALMA devours cosmic 'hamburger,' reveals potential for giant planet formation
Have you ever found something unexpected in your hamburger? Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) were surprised to discover the very earliest phases of giant planet formation between the ...
Astronomy
5 hours ago
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Astronomers build molecular cloud atlas for nearby Andromeda galaxy
Astronomers from Cardiff University, UK, have employed the Combined Array for Research in Millimeter-wave Astronomy (CARMA) to explore the nearby Andromeda galaxy. Results of the observational campaign, published December ...
Blazar Ton 599's complex variability investigated by long-term observations
Using the Whole Earth Blazar Telescope (WEBT), an international team of astronomers have performed long-term photometric observations of a luminous blazar known as Ton 599. Results of the observations, published in the Astronomy ...
Betelgeuse's elusive companion star: Siwarha's 'wake' detected
Using new observations from NASA's Hubble Space Telescope and ground-based observatories, astronomers have tracked the influence of a recently discovered companion star, Siwarha, on the gas around Betelgeuse. The research, ...
Astronomy
23 hours ago
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Active solar region observed for record 94 days
In May 2024, the strongest solar storm in twenty years raged. An international team led by ETH Zurich observed it. Their findings are now helping to improve space weather forecasts.
Astronomy
23 hours ago
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Hubble examines Cloud-9, first of new type of object
A team using the NASA/ESA Hubble Space Telescope has uncovered a new type of astronomical object—a starless, gas-rich, dark-matter cloud that is considered a "relic" or remnant of early galaxy formation. Nicknamed "Cloud-9," ...
Astronomy
23 hours ago
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Astronomers reveal hidden lives of the early universe's ultramassive galaxies
An international team of astronomers has uncovered multiple evolutionary paths for the universe's most massive galaxies. Observations of ultramassive galaxies, each containing more than 100 billion stars, show that less than ...
Astronomy
Jan 5, 2026
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Ultramassive black holes and their galaxies: A matter of scale
Nearly every galaxy has a supermassive black hole in its core. Whether the black hole forms first and then the galaxy around it—or the other way around—is still a matter of some debate, but we know the evolution of both ...
Astronomy
Jan 5, 2026
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XRISM gives sharpest-ever glimpse at growth of a rapidly-spinning black hole
Astronomers have obtained the sharpest-ever X-ray spectrum of an iconic active galaxy, providing the most accurate, precise view ever obtained of the extreme relativistic effects imprinted onto the spacetime around a supermassive ...
Astronomy
Jan 5, 2026
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The ambitious plan to spot habitable moons around giant planets
So far, humanity has yet to find its first "exomoon"—a moon orbiting a planet outside of the solar system. But that hasn't been for lack of trying. According to a new paper by Thomas Winterhalder of the European Southern ...
Astronomy
Jan 5, 2026
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A neighboring vista of stellar birth
This ESA/Hubble picture highlights another view of a distant stellar birthplace. Captured in a parallel field to a recently released image, this scene reveals a neighboring region of the N159 star-forming complex in the Large ...
Astronomy
Jan 5, 2026
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Earliest, hottest galaxy cluster gas on record challenges cosmological models
An international team of astronomers led by Canadian researchers has found something the universe wasn't supposed to have: a galaxy cluster blazing with hot gas just 1.4 billion years after the Big Bang, far earlier and hotter ...
Astronomy
Jan 5, 2026
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