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Astronomers have identified the most distant supermassive black hole-powered blazar ever observed, a rare cosmic beacon shining from the universe’s infancy. The discovery offers a new window into how the earliest black holes grew so rapidly and how energetic jets shaped young galaxies.
Astronomers have identified the most distant supermassive black hole-powered blazar ever observed, a discovery that pushes the frontier of high-energy astrophysics deeper into cosmic history. The object, known as Blazar OP 313, offers a rare view of a jet-emitting black hole active when the universe was still in its formative stages.
A new analysis from the Relativistic Heavy Ion Collider has pushed scientists closer to understanding how matter emerged in the first moments after the Big Bang. By smashing gold ions together at extreme energies, researchers recreated a short-lived primordial plasma and detected a surprising decline in particle correlations that may refine models of matter formation.
New observations from the James Webb Space Telescope suggest the infant universe was not the pristine, metal-free realm astronomers once imagined. Instead, early galaxies were already recycling and dispersing heavy elements far sooner than expected, a finding that could reshape theories of the first stars, galaxy formation and the origins of the chemical ingredients that later helped make planets and life.
New observations from the James Webb Space Telescope are reshaping astronomers' understanding of the universe's first billion years. Rather than a pristine cosmos made only of hydrogen and helium, Webb is finding early galaxies already seeded with heavier elements, suggesting the first generations of stars formed and died faster than expected.
A new heavy-ion experiment at the Relativistic Heavy Ion Collider has recreated conditions similar to those just after the Big Bang, when matter existed as an ultra-hot primordial soup of quarks and gluons. Researchers say the latest measurements reveal a surprising decline in particle correlations in gold-ion collisions, a result that could sharpen understanding of how the early universe evolved and how matter later formed into the building blocks seen today.
Scientists analyzing the largest 2D map of the universe have identified dozens of previously unknown gravitational lenses, including about 70 new candidates flagged through AI-assisted search. The finding strengthens a fast-growing method for locating rare cosmic magnification systems that can help researchers study dark matter, distant galaxies, and the structure of the early universe.
Astronomers using the James Webb Space Telescope have identified the host galaxy of the most distant fast radio burst yet observed, a millisecond flash that traveled for roughly 10 billion years before reaching Earth. The finding sharpens a long-running mystery about where these powerful signals come from and gives researchers a new tool for studying the early universe.
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