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Astrophysics & Cosmology
Black holes, dark matter, gravitational waves, and the big‑picture universe.
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Hawaii telescope captures ancient supernova
10+ hour, 14+ min ago (80+ words) WSVN (WSVN) - A telescope captured what is likely the remnant of a supernova, a powerful and luminous explosion from a dying star Astronomers first spotted it in 1181, and records said it was visible for 185 days It is one of only…...
Astronomers detect mysterious burst of energy from a galaxy far, far away
4+ hour, 25+ min ago (566+ words) Intense flash of radio waves is more than 10bn years old and has travelled through ‘approximately 80% of cosmic history’ A long time ago in a galaxy far, far away, a mysterious flash of energy was released into the universe. Astronomers have…...
Astronomers discover record-breaking ancient cosmic outburst
4+ hour, 16+ min ago (294+ words) Detected by the MeerKAT array, this “fast radio burst” comes from 3 billion years after the Big Bang, and could help map the universe’s otherwise-invisible intergalactic matter By Adam Kovac edited by Lee Billings Carl Knox - OzGrav, Swinburne University of Technology…...
This star is so weird, some think it could host an alien megastructure. Now scientists may finally have solved the mystery
8+ hour, 8+ min ago (578+ words) Why is the star known as Tabby's Star so weird? In 2015, astronomers discovered something downright weird in a star with the unassuming catalogue number KIC 8462852. Slightly larger than the Sun, this F-type star in the constellation Cygnus is in a…...
Wandering Black Holes Could Reveal How the Universe Made Its First Giants
8+ hour, 1+ min ago (822+ words) Home → Space → Astronomy Black holes knocked from galactic centers may preserve clues to their ancient origins. At the heart of most large galaxies sits a supermassive black hole. They’re the most massive objects in the universe, millions or even billions…...
Star slowly feeds on a brown dwarf, astronomers find
8+ hour, 56+ min ago (488+ words) Astronomers have found a small star drawing a steady stream of material from a nearby brown dwarf, revealing an unusual alternative to swallowing a companion whole. The pair lies about 300 light-years from Earth in the Milky Way. The discovery suggests…...
Black holes could have planets, new simulations suggest
12+ hour, 24+ min ago (1025+ words) Astronomers have found thousands of planets orbiting other stars. They’ve even found some rogue planets, or planets without a star. Now, fascinating new research says more planets could be lurking elsewhere. They could, the study says, be forming around black…...
Einstein Probe reveals a hidden phase of neutron star collisions
12+ hour, 40+ min ago (653+ words) Short gamma-ray bursts, or short GRBs, are believed to occur when two compact objects, such as neutron stars, spiral toward one another before colliding and merging. These extraordinarily violent events produce gravitational waves and rank among the most powerful explosions…...
CosmicWatch: Building an Open-Source AI Observatory for Unusual Radio Signals
12+ hour, 43+ min ago (165+ words) We built CosmicWatch, an open-source AI system that analyzes astronomical radio-signal data and... Tagged with ai, programming, opensource, api. We built CosmicWatch, an open-source AI system that analyzes astronomical radio-signal data and identifies unusual candidates that may deserve human investigation....
Here’s how a Vanderbilt astrophysicist plans to observe a 'black hole symphony' using gravitational wave astronomy
13+ hour, 40+ min ago (367+ words) Newswise — Shrouded in mystery since their discovery, the phenomenon of black holes continues to be one of the most mind-boggling enigmas in our universe. In recent years, many researchers have made strides in understanding black holes using observational astronomy and…...