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Black Holes News 3 August 2025 - 8 November 2025

Sharper Black Hole Images Could Put Einstein’s Gravity to the Test: New Study Maps What Future Telescopes Must See (7 Nov 2025)

Brighter Than 10 Trillion Suns: Record Black Hole Flare 10 Billion Light‑Years Away

Date: November 7, 2025 Key points What happened—and why this one is different A Caltech‑led team reports an extraordinary flare from the supermassive black hole in AGN J2245+3743, first seen rising dramatically in 2018 and now recognized as a record‑setter for both luminosity and distance. At peak, it shone with the light of ~10 trillion suns, unmistakably towering above the AGN’s usual variability. California Institute of Technology+1 The peer‑reviewed study, published November 4, 2025 in Nature Astronomy, quantifies just how extreme the event is: the source brightened by more than a factor of 40, radiating a cumulative ~10⁵⁴ ergs—on par
8 November 2025
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Sharper Black Hole Images Could Put Einstein’s Gravity to the Test: New Study Maps What Future Telescopes Must See (7 Nov 2025)

Sharper Black Hole Images Could Put Einstein’s Gravity to the Test: New Study Maps What Future Telescopes Must See (7 Nov 2025)

Published: November 7, 2025 What happened today A wave of coverage on Friday highlighted a new Nature Astronomy study that sets a concrete target for the next generation of black hole images: if upcoming telescopes can reach percent‑level fidelity, they could tell Einstein’s black holes apart from a range of look‑alikes predicted by alternative theories of gravity. The paper—published November 5—uses advanced simulations to show that when the mismatch between images exceeds roughly 2–5%, future instruments should be able to rule out many non‑Einstein models. Nature Today’s recaps emphasize what this means in practice: sharper “shadow” images—the dark silhouette encircled
8 November 2025
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Record-Setting Black Hole Flash Dazzles Astronomers: “One-In-A-Million” Flare Blasts Light = 10 Trillion Suns

Record-Setting Black Hole Flash Dazzles Astronomers: “One-In-A-Million” Flare Blasts Light = 10 Trillion Suns

An Unprecedented Cosmic Flare On Nov. 4, 2025 astronomers worldwide were abuzz: a supermassive black hole had produced the most luminous flare ever recorded. At its peak the outburst was “30 times brighter than any prior black hole flare,” equivalent to 10 trillion Suns space.com. This “superflare” came from a galaxy over 11 billion light-years away – meaning we see it as it happened more than 10 billion years ago reuters.com space.com. In cosmic terms this was a spectacular event: “a one-in-a-million object” as Caltech’s Matthew Graham describes theriver973.iheart.com. Nature News confirms it as “the biggest black-hole outburst ever seen,” a
5 November 2025
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Baby Black Hole Booted Across Space: First-Ever Measurement of a Cosmic “Natal Kick”

Baby Black Hole Booted Across Space: First-Ever Measurement of a Cosmic “Natal Kick”

A Cosmic Kick: Newborn Black Hole Sent Careening Through Space On April 12, 2019, two black holes collided 2.4 billion light-years away – an event detected as gravitational-wave signal GW190412. What happened next was extraordinary: the newly merged black hole was launched across space by a “natal kick,” like a cosmic cannonball. Now in 2025, scientists have measured the speed and direction of this recoiling black hole for the first time ever livescience.com igfae.usc.es. The remnant black hole blasted off at over 50 kilometers per second (about 180,000 km/h), likely fast enough to escape the cluster of stars it came
16 September 2025
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Possible Life on Mars, ‘Black Hole Stars’ and a Global Diabetes Bombshell – Science News Roundup (Sept 15–16, 2025)

Possible Life on Mars, ‘Black Hole Stars’ and a Global Diabetes Bombshell – Science News Roundup (Sept 15–16, 2025)

NASA Rover Finds Possible Biosignature – Closest Hint Yet of Life on Mars In a sensational development for astrobiology, NASA announced that Perseverance has collected a Mars rock sample that “could preserve evidence of ancient microbial life” nasa.gov. The rover drilled the sample, nicknamed “Sapphire Canyon,” from an ancient riverbed formation rich in clay – exactly the kind of environment that on Earth traps and preserves organic remains nasa.gov nasa.gov. Inside the rock, scientists detected certain organic molecules and chemical patterns that are considered potential biosignatures, meaning they might be remnants of past life (though not yet proof of it)
16 September 2025
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From Black Hole ‘Stars’ to Miracle Eye Drops: Top Science News (Sept 14–15, 2025)

From Black Hole ‘Stars’ to Miracle Eye Drops: Top Science News (Sept 14–15, 2025)

Key Facts Health & Medicine Significant medical advances made headlines. An ophthalmology team in Buenos Aires introduced “special” eye drops that could make reading glasses obsolete for age-related farsightedness sciencedaily.com. In trials on 766 adults with presbyopia, drops combining pilocarpine and diclofenac quickly sharpened near vision (gaining around 3 lines on a reading chart) and maintained improvements for up to two years sciencedaily.com sciencedaily.com. “Nearly all patients experienced positive improvements in near visual acuity,” said Dr. Giovanna Benozzi, noting this non-surgical remedy could “significantly reduce dependence on reading glasses” for many sciencedaily.com. No serious side effects were observed, making the
15 September 2025
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Black Holes, Breakthrough Cures & Robot Olympics – Science Highlights (Aug 17–18, 2025)

Black Holes, Breakthrough Cures & Robot Olympics – Science Highlights (Aug 17–18, 2025)

On Aug 6, 2025, astronomers announced the discovery of the most distant black hole in galaxy CAPERS-LRD-z9, formed about 500 million years after the Big Bang, whose light has travelled 13.3 billion years to reach Earth and is estimated to have a mass up to 300 million solar masses. On Aug 15, 2025, NASA/ISRO’s NISAR mission deployed its 12-meter mesh radar reflector in orbit, the largest reflector NASA has ever placed in space, with science operations planned for late fall 2025. On Aug 16, 2025, researchers confirmed astatine-188 (85 protons, 103 neutrons) as the heaviest known proton-emitting isotope, produced by
18 August 2025
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Black Holes, Brain Breakthroughs & Robot Olympics – Top Science News (Aug 16–17, 2025)

Black Holes, Brain Breakthroughs & Robot Olympics – Top Science News (Aug 16–17, 2025)

The distant black hole CAPERS-LRD-z9 was confirmed in a galaxy about 500 million years after the Big Bang, with light travel of 13.3 billion years and an estimated mass up to 300 million solar masses. NASA/ISRO’s NISAR satellite unfurled its 12-meter mesh radar antenna reflector in orbit on Aug 15, 2025, in about 37 minutes, the largest radar dish NASA has launched. Astatine-188, the heaviest known proton-emitting isotope with 85 protons and 103 neutrons, was discovered by Finnish researchers, produced by smashing Strontium-84 into a silver target, and described as strongly deformed or “watermelon-shaped.” Cyclo[48]carbon, a ring of 48 carbon
17 August 2025
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