Science & Tech

James Webb Finds Uranus’s Major Moons Carry Comet-like Water Signature

JWST finds Uranus’s five regular moons have comet-like deuterium-to-hydrogen ratios in their water ice, challenging models that mix large amounts of Uranian material.

#uranus, #jameswebb, #planetaryscience, #moons

AI Agents Reproduce and Extend CERN Analyses, Claim First AI-Produced Novel Result on LEP Data

Researchers using Anthropic’s Claude Code ran end-to-end collider analyses on public CERN data, releasing code and claiming an AI-produced novel Lund-plane result.

#ai, #particlephysics, #cern, #claudecode

Preprint Claims ~100 TeV Neutrinos From Milky Way’s Fermi Bubbles; Confirmation Pending

An arXiv preprint reports a >3σ correlation of ~100 TeV neutrinos with the Milky Way’s Fermi bubbles in public IceCube data; independent confirmation is needed.

#neutrinos, #astrophysics, #icecube, #fermi-bubbles

Study: Webb observes z=10.255 galaxy that may leak nearly all ionizing radiation

A Webb study finds a compact z=10.255 galaxy with almost no nebular lines, implying a very high Lyman-continuum escape fraction and possible impact on reionization.

#astronomy, #jameswebb, #reionization, #highredshift

Webb detects unusual isotopes in interstellar comet 3I/ATLAS, suggesting formation in an ancient cold environment

JWST spectra of interstellar comet 3I/ATLAS show very high deuterium and uncommon carbon ratios, pointing to formation in a cold, ancient, metal-poor region.

#interstellar, #comet, #jameswebb, #isotopes

Papers Clash Over Whether BE Lyncis Hides a Nearby Black Hole

Two newly accepted papers reach opposing conclusions about BE Lyncis: pulsation timing suggests a massive unseen companion, while Gaia astrometry disagrees.

#astronomy, #blackhole, #gaia, #hipparcos

NOAA Declares El Niño Underway as NASA Satellites Show Strengthening in Equatorial Pacific

NOAA says El Niño is underway and likely to strengthen; NASA satellite altimetry shows higher sea levels across the equatorial Pacific, raising odds of a strong 2026–27 event.

#climate, #elnino, #nasa, #noaa

ArXiv preprint claims axion early dark energy model raises Hubble constant to 71.6, easing Hubble tension

Unreviewed arXiv preprint reports an axion early dark energy fit to CMB, DESI and JWST data gives H0 = 71.58 ± 1.05 km/s/Mpc, largely easing the Hubble tension.

#cosmology, #hubble-tension, #early-dark-energy, #arxiv

Preprint Presents Sharper Spectroscopic Case for a Recoiling Black Hole in Quasar 3C 186

A revised arXiv preprint reports precise blueshifted spectra in quasar 3C 186, strengthening — but not proving — the case for a recoiling supermassive black hole.

#astronomy, #blackhole, #quasars, #gravitationalwaves

NASA Taps Relativity Space to Deliver Aeolus Mars Atmospheric Mission in 2028

NASA will provide the Aeolus science payload while Relativity Space supplies spacecraft, rocket and operations to deliver it to Mars in 2028.

#nasa, #relativityspace, #mars, #space

Single neurons predict grammar and meaning during natural conversation, NIH-led study finds

Recordings of single neurons during natural conversation let AI models predict grammar, meaning and context—an advance toward speech neuroprostheses.

#neuroscience, #speech, #bci, #nih, #language

Keck Spectroscopy Finds Third Dark-Matter–Deficient Galaxy in NGC 1052 Field

Keck spectroscopy suggests NGC 1052-DF9, like DF2 and DF4, shows stellar motions consistent with little dark matter — but distances and measurements remain uncertain.

#astronomy, #darkmatter, #dwarfgalaxies, #ngc1052

Webb Captures Rapid Atmospheric Heating on Eccentric Giant Exoplanet HD 80606 b

Webb's MIRI tracked HD 80606 b heating by about 1,100°F at periastron, revealing rapid temperature and chemical changes; preliminary results shown at AAS.

#exoplanet, #jameswebb, #astronomy, #hd80606b

Possible detection of cold molecular gas in REBELS-25, 700 million years after the Big Bang

Astronomers report a possible low-J CO detection in galaxy REBELS-25 at z=7.31, implying a huge cold molecular gas reservoir 700 million years after the Big Bang.

#astronomy, #galaxies, #cosmology, #moleculargas

Preprint describes three-particle bosonic Pfaffian state in ultracold rubidium atoms

A June 10 arXiv preprint reports a minimal three‑particle bosonic Pfaffian state in ultracold 87Rb — an early step toward non‑Abelian topological matter.

#physics, #quantum, #ultracold, #pfaffian