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A new scientific analysis finds that even extremely massive primordial black holes cannot account for the universe's dark matter. Researchers examined the theory that dark matter could consist of black holes formed shortly after the Big Bang and concluded the evidence does not support it as an explanation.
Astronomers studying three faint galaxies—DF2, DF4, and DF9, located about 65 million light-years away—found they contain almost no dark matter, unlike most galaxies. A paper published in The Astrophysical Journal in June 2026 proposes these galaxies formed when two ordinary galaxies collided, with their gas and dust clumping together while dark matter passed through largely undisturbed, leaving behind dark-matter-poor remnants.
Two research groups, led by Toscani De Col and by Huang, have published the first demonstrations of a working nuclear clock in Nature. Unlike atomic clocks, which track electron transitions, these devices measure energy transitions within atomic nuclei, offering a potentially more precise timekeeping method. The Toscani De Col team also showed their clock could be used to search for a candidate form of dark matter.
Apple TV+ currently has new weekly episodes running across six shows at once: Ted Lasso, Slow Horses, Dark Matter, Brothers, Last Seen, Women in Blue and Knife Edge. A longtime subscriber notes this marks a shift from the platform's earlier pace of one or two concurrent series.
Researchers built a high-resolution dark-matter N-body simulation, seeded with Planck cosmological parameters, tracking halo mergers from redshift 35 to 7.5 using ROCKSTAR and CONSISTENT-TREES tools. They layered a semi-analytic galaxy-formation model onto this framework to simulate gas cooling, star formation, supernova feedback and radiation, showing that overmassive black holes and compact 'little red dot' galaxies emerge naturally from these early-universe conditions without requiring exotic physics.
A new clip from the third episode of 'Dark Matter' season two, titled 'Everything Beautiful, Everything Terrible,' shows the series confronting a major plot complication that arose from its multiverse premise. The action-heavy preview suggests the show is directly grappling with the ripple effects of its characters' choices across parallel realities rather than glossing over them.
Researchers led by Teixeira, building on Khoury and Vafa's string theory work, propose that dark energy and dark matter interact and share a common origin tied to an extra 'dark dimension' far larger than other theorized hidden dimensions. In this framework, massive 'dark gravitons' leaking into this dimension could explain why the universe's measured expansion rate differs by about 9 percent depending on when it's measured, an anomaly known as the Hubble tension.
Physicists operating the LZ Dark Matter Experiment nearly a mile underground in South Dakota detected a single subatomic interaction that doesn't match any known physics signature. The team has submitted findings to Physical Review Letters, stressing they cannot yet say whether it's a dark matter signal, background noise, or something entirely new.
Apple TV confirmed that Silo season 4, which will be the show's final season, will premiere on July 9, 2027. The announcement came alongside the debut of the season 3 finale and included the release of a first trailer containing spoilers for season 3.
Physicists at the Sanford Underground Research Facility in South Dakota detected an anomalous energy signature inside a liquid xenon tank, caused by something striking a xenon nucleus and making it recoil. Researchers cannot yet identify the source of the collision, but they say it could represent the strongest physical evidence yet for dark matter, potentially a Weakly Interacting Massive Particle (WIMP) passing through Earth.
Apple TV's new action-comedy Mayday, starring Ryan Reynolds and Kenneth Branagh and directed by the Game Night team of John Francis Daley and Jonathan Goldstein, premieres September 4. Early reviews from outlets like JoBlo, Empire, and The Hollywood Reporter praise its action sequences, humor, and the leads' chemistry, with several critics noting it feels strong enough to have warranted a theatrical release.
A research team has detected an anomalous signal that current physics cannot fully explain, raising the possibility it could be evidence of dark matter or an entirely new phenomenon. The finding comes after years of dedicated searches for dark matter, a substance believed to make up much of the universe's mass but never directly observed.