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News
Rubin Observatory reveals a breathtaking deep view packed with hundreds of thousands of galaxies
1+ hour, 17+ min ago (145+ words) starlust.org Rubin Observatory reveals a breathtaking deep view packed with hundreds of thousands of galaxies Watch: SpaceX fires all six Starship engines in a spectacular multi-angle static fire NASA's James Webb found newly formed stars glowing just outside the…...
A Microquasar May Be Powering the Milky Way’s Giant Cygnus Bubble
1+ hour, 54+ min ago (603+ words) The enormous Cygnus Bubble is usually linked to a busy star-forming region. A new study argues that the microquasar Cygnus X-3 may be the more natural source of its highest-energy gamma rays. Cygnus X-3 is a microquasar, a binary system containing a…...
What Is the Cosmic Microwave Background? The Universe’s Afterglow
2+ hour, 39+ min ago (663+ words) The cosmic microwave background is the oldest light we can observe. Here is where it came from, what its tiny patterns reveal, and why it still matters. About 380,000 years after the Big Bang, the expanding universe had cooled enough for…...
What if dark energy is evolving? Comprehensive new dataset questions a core assumption
8+ hour, 13+ min ago (411+ words) starlust.org What if dark energy is evolving? Comprehensive new dataset questions a core assumption For the first time, astronomers have assembled a catalog containing nearly 3,000 exploding stars. And now, all those stars are pointing them toward something they weren’t…...
Rare supernova lights up spiral galaxy 45 million light-years away; check out these pictures
18+ min ago (356+ words) starlust.org Rare supernova lights up spiral galaxy 45 million light-years away; check out these pictures A new supernova emerges This supernova named SN 2026aaiv in the galaxy Caldwell 30 or NGC 7331 was discovered by the ATLAS survey on September 1 and it's reportedly…...
NASA's Chandra finds 84 mysterious "hypersoft" x-ray objects across 6 galaxies — But what are they?
7+ hour, 51+ min ago (346+ words) NASA’s Chandra X-ray Observatory has spotted 84 mysterious objects across six galaxies that are leaving astronomers with a major question. What are they? The objects give off unusually low-energy X-rays. Yet they also appear to produce powerful ultraviolet radiation. This strange…...
AI Super-Resolution and Transformers Push Hyperspectral Image
6+ hour, 34+ min ago (55+ words) Hyperspectral imaging has long promised a kind of digital omniscience: sensors that capture hundreds of narrow spectral bands, revealing the chemical fingerprints of crops, wetlands, minerals, and city streets in a single sweep. Yet the technology has always carried an…...
Dense Galaxies Are Carving Out a Bubble in the Early Universe
11+ hour, 17+ min ago (112+ words) ...
A molecular-hydrogen cloud only 300 light-years away spans roughly 40 full-Moon widths across our sky, yet astronomers did not identify it until 2025. Named Eos, it escaped conventional surveys because they search for molecular hydrogen indirectly through carbon monoxide—and almost all of Eos is CO-dark.
11+ hour, 55+ min ago (858+ words) Eos covers about 20 degrees of sky, but almost all its estimated 3,400 solar masses of molecular hydrogen escaped the carbon-monoxide surveys normally used to find such clouds....
Earth May Have Had a Larger Cousin that the Sun Devoured
19+ hour, 24+ min ago (399+ words) Published Sep 12, 2026 1:01 PM EDT Did the Earth once have a larger cousin that was devoured by the Sun? And more importantly: would we have any way of knowing it did? A team of astronomers believe that the answer to both…...