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Astrophysics & Cosmology
Black holes, dark matter, gravitational waves, and the big‑picture universe.
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NASA shares stupendous ‘smiling’ galaxy clusters
38+ min ago (247+ words) NASA has shown off a cosmic "smile" as an example of warped spacetime. The space agency posted an incredible observation on Sunday, Oct. 11, showing how gravitational lensing can magnify the light of a more distant background object. It wrote on…...
A giant smiley face in space? Hubble captures remarkable galaxy cluster
5+ hour, 13+ min ago (275+ words) NASA’s Hubble Telescope captures stunning images of the Trifid Nebula in deep space, nearly 5,000 light-years away from Earth. Astronomers are fascinated by new images captured by NASA’s Hubble Space Telescope that appear to show a smiley face in our vast…...
The wind chases water clouds across the neighboring brown dwarf
13+ hour, 5+ min ago (451+ words) The brown dwarf WISE 0855 lies 7.5 light-years away from us. Scientists recently discovered that clouds of water vapor are actively moving through the atmosphere of this “failed star.” The James Webb Space Telescope helped detect them. The study shows that WISE…...
NASA shares incredible image of a “smiling” galaxy cluster
3+ hour, 38+ min ago (80+ words) yoursun.com The cluster, designated as SDSS J1038+4849, appears to have two eyes and a nose as part of a happy face. ( There was a problem reporting this. Keep it Clean. Please avoid obscene, vulgar, lewd, racist or sexually-oriented language. You're…...
A Pulsar in a Rare Triple System
3+ day, 5+ hour ago (258+ words) Follow-up observations show that a recently discovered pulsar has two stellar companions, making it one of just a handful of millisecond pulsars known to be in triple-star systems. The FAST observations also showed that the pulsar is not alone: it…...
The Invisible Architecture Between the Stars
2+ hour, 36+ min ago (241+ words) Editor’s Note: Astrobites is a graduate-student-run organization that digests astrophysical literature for undergraduate students. As part of the partnership between the AAS and astrobites, we occasionally repost astrobites content here at AAS Nova. We hope you enjoy this post from…...
Recent U²GRC research papers: templates, searches, and waveform models
4+ hour, 47+ min ago (228+ words) Three recent papers involving U²GRC researchers highlight new work in gravitational-wave data analysis and waveform modeling. Efficient template placement for gravitational-wave searches Alexandra Wernersson, Jessica Irwin, Melissa Lopez, and Sarah Caudill introduce isobank, a machine-learning approach for placing waveform templates efficiently…...
A Star Getting Shredded Leads To Surprise Discovery Of A Roaming Black Hole 1 Million Times The Mass Of The Sun
5+ hour, 41+ min ago (623+ words) Space & Physics Editor Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London. That bright dot is the catastrophic destruction of a star. Supermassive black holes sit at the center of…...
NASA reveals stunning image of giant ‘cosmic smile’
4+ hour, 47+ min ago (210+ words) NASA has shown off a cosmic “smile” as an example of warped spacetime. The space agency posted an incredible observation on Sunday showing how gravitational lensing can magnify the light of a more distant background object. They wrote on X:…...
The Mother Birthing The Informational Universe
5+ hour, 31+ min ago (704+ words) Oct 12, 2026 | Updated 09:37 PM GMT+5:30 John Archibald Wheeler (1911–2008), one of the twentieth century’s most visionary theoretical physicists, helped reshape modern science. From foundational work on nuclear fission alongside Niels Bohr and the mid-century renaissance of General Relativity, to penetrating inquiries into…...