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Cosmology

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Astronomers Achieve Direct Measurement of 36.3 Billion-Solar-Mass Black Hole in Cosmic Horseshoe

Astronomers plan to apply this new lensing-plus-kinematics method to Euclid telescope observations to detect more dormant ultramassive black holes.

James Webb Telescope Confirms Earliest Supermassive Black Hole

JWST Confirms Earliest Known Supermassive Black Hole in Galaxy CAPERS-LRD-z9

Baffin Bay Ocean Cores Uncover Cometary Markers at Younger Dryas Onset

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Venus and Jupiter to Converge Under One Degree on August 12 Pre-Dawn Sky

New Gravity-Only Models Propose Mirror Sector and Cosmic Horizon Origins for Dark Matter

HeH+ Ion’s Reactivity Endured at Cryogenic Temperatures, Reframing Early-Star Cooling

ALMA Reveals 1.4-Light-Year Bubble Around Supergiant DFK 52

Webb Reveals Binary Interaction in Planetary Nebula NGC 6072 and Detects 2,500 Early Galaxies

Webb’s 100-Hour Mid-Infrared Survey of Hubble Ultra Deep Field Reveals Ancient Galaxies

Probe Theory for Interstellar Comet 3I/ATLAS Divides Researchers as October Perihelion Nears

Astronomers Spot Emerging Supermassive Black Hole in Colliding Infinity Galaxy

Scientists Confirm Companion Star Orbiting Within Betelgeuse’s Atmosphere

Telescopes Witness Key Stages of Planet Formation in Three Young Star Systems

New Models Identify Webb’s Little Red Dots as Primordial Supermassive Stars

Mineral Condensation Captured in Planet-Forming Disk of Protostar HOPS-315

Discovery of 'Ammonite' Narrows Search for Planet Nine

Astronomers Observe First Solid Condensation of Rocky Planet Precursors Around Distant Star

First Solids of Planet Formation Observed Around Young Star HOPS-315

High-Resolution Images Illuminate Ancient Interstellar Comet 3I/ATLAS