Galaxy Formation

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  JWST Detects Oldest Supernova Ever Seen, Linked to GRB 250314A

  Astronomers using the James Webb Space Telescope have detected the oldest supernova ever recorded, tied to gamma-ray burst GRB 250314A. Occurring when the universe was only 730 million years old, the explosion provides a rare glimpse into the first generations of stars and early galaxy growth, highlighting Webb’s unmatched ability to study the di...

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  Nancy Grace Roman Space Telescope Fully Assembled, Launch Planned for 2026–2027

  NASA has successfully completed the full assembly of the Nancy Grace Roman Space Telescope, marking a major milestone for the next-generation infrared observatory. With its powerful wide-field camera and advanced coronagraph, Roman is expected to transform our understanding of dark energy, galaxy formation, and exoplanets once it launches later thi...

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  Scientists Finds Galaxies Rotating Together Inside Massive Dark Matter Thread

  The filament is a part of the vast cosmic web composed primarily of dark matter and interspersed with lighter layers of normal matter.

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  Astronomers Spot Galaxies Moving in Sync Across a 50-Million-Light-Year Stretch

  Astronomers have identified a 50-million-light-year-long cosmic filament in which 14 gas-rich galaxies all rotate in sync with the structure itself. The filament, mapped about 140 million light-years away, appears young, cold and shaped by slow cosmic flows. Galaxies on opposite ends move in opposite directions, suggesting the entire filament is sp...

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  NASA May Have Detected Oldest Stars In Universe Formed After Big Bang

  NASA's James Webb Space Telescope may have detected the universe's oldest Population III stars in galaxy LAP1-B, 13 billion light-years away.

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  James Webb Space Telescope May Have Spotted the Universe’s First Stars, Astronomers Say

  Astronomers using the James Webb Space Telescope have detected a distant, metal-poor galaxy whose unusually massive, ultraviolet-bright stars match the expected signatures of Population III — the universe’s first stars. Through the help of gravitational lensing and Webb’s infrared sensitivity, researchers observed light from just 800 million ...

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  Extreme Star Factory: ALMA Detects Galaxy Y1 Forming Stars 180 Times Faster Than the Milky Way

  Using ALMA’s ultra-sensitive Band 9 observations, astronomers identified galaxy Y1 as an extreme star-forming system in the early universe. Producing stars at 180 solar masses per year, Y1 reveals how intense, short-lived starbursts helped shape young galaxies and may have been more common than previously believed.

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  James Webb Telescope May Have Spotted First Generation of Stars in the Universe

  Astronomers using JWST may have discovered Population III stars in cluster LAP1-B, offering new insights into early galaxy formation and the universe’s first luminous objects. JWST observations suggest Population III stars may have formed 13 billion years ago, helping trace early galaxies. These stars might be building blocks for larger galaxies ...

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  Planets Could Create Their Own Water While Forming, Expanding Possibilities for Habitable Worlds

  Lab experiments show planets can generate water during formation, not just via comets. This suggests habitable conditions may be widespread in the galaxy, expanding possibilities for life-friendly exoplanets.

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  James Webb Telescope Finds Early Universe Galaxies Were More Chaotic Than We Thought

  The James Webb Space Telescope has revealed that galaxies in the early universe were far more chaotic and unstable than once believed. A new study shows that gas turbulence and intense star formation disrupted young galaxies, reshaping scientists’ understanding of how galaxies evolved into the structured systems seen today.

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  James Webb Telescope Uncovers the Turbulent Birth of the First Galaxies

  Using JWST data, astronomers analyzed more than 250 galaxies from the universe’s first 1.5 billion years and found most were chaotic, with gas swirling in all directions. Only a few showed early signs of ordered rotation. The findings reveal how intense star formation and gravitational turbulence gave way to stability, transforming the early univ...

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  Astronomers Discover Calvera, a Runaway Pulsar Racing Above the Milky Way

  Astronomers have discovered Calvera, a pulsar speeding 6,500 light-years above the Milky Way’s disk. Formed from a supernova in a nearly empty region, Calvera challenges long-held ideas of star birth and death. Its discovery reveals that extreme stellar events can occur even in the galaxy’s sparse outer halo.

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  Astronomers Discover "Cosmic Grapes" Galaxy Packed with Star-Forming Clumps in the Early Universe

  The "Cosmic Grapes" galaxy discovery sheds new light on early galaxy formation, revealing unexpected dense, star-forming clumps just 930 million years post-Big Bang. Uncovered through JWST, ALMA, and gravitational lensing, this breakthrough opens new opportunities for understanding the early cosmos.

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  NASA Missions Uncover a Diverse Galaxy of Super-Earths, Raising New Questions About Planetary Evolution

  Super-Earths are among the most common planets in the galaxy, yet none exist in our solar system. Larger than Earth but smaller than Neptune, they range from ocean-covered worlds to scorched, atmosphere-less rocks. Some orbit within habitable zones, making them prime candidates for life. NASA’s Kepler and TESS missions, along with upcoming telesc...

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  Massive 200-Light-Year Cloud May Be Channeling Matter to the Milky Way's Core

  Astronomers have discovered a massive, 200-light-year-wide cloud of gas and dust—dubbed the Midpoint cloud—hidden in the Milky Way. This giant molecular cloud appears to channel dense material into the galaxy’s core, possibly fueling star formation. The discovery offers rare insights into how matter flows from the galaxy’s disk to its turbu...