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Astronomers Discover a New Kind of Cosmic Object: a Black Hole 'Star'

Three Supermassive Black Holes Discovered In a Single Galaxy For the First Time

Spain Offers $1.14 Billion To Get Thirty Meter Telescope Moved To Canary Islands

New Images of the Sun Show Its Surface In the Finest Detail Yet

In a First, 'Super-Earth' Planet Shows It Could Have an Atmosphere

Scientists Turn Starlink Into a Giant Scanner For Earth's Upper Atmosphere

NASA figured out how to keep its Voyager 2 probe running for another year

Scientists Create Largest 2D Map of the Universe

OBASE: Object-Based Address-Space Engineering to Improve Memory Tiering

Astronomers discover a brand-new type of astrophysical object: A black hole star, « The mashup of a black hole and an enormous star has never been seen before and could explain the mysterious little red dots often found in deep-space images

Space mirrors could ruin astronomy — and your eyes

cynosura: Simulation of satellite orienting itself in space using only star positions

Astronomers using the James Webb Space Telescope have discovered three active supermassive black holes in a single galaxy (J0148-4214) located 12.5 billion light-years away

Show HN: At 16K features, flat autoencoders break. Curved space doesn't

Show HN: DeepSeek-V4 Latent Reasoning – moving "thinking" into latent space

New review of 200+ studies reveals capabilities and limits of AI for monitoring wildfires, floods, and droughts from space, highlighting why complex models still struggle in new regions

Feasibility of Space Data Centers

Show HN: Simple algorithm and color space to generate diverse skin tones

SpaceX wins $1.6B Space Force contract for 18 Falcon 9 launches

Daxo OS: An x86_64 multitasking microkernel in Rust with user-space sandboxing

Two unrelated images ended up 4 bits apart in dHash space — how conservative should duplicate clustering be?

Alien world chemistry found inside meteorite that struck New Jersey home

James Webb Space Telescope Discovers How Black Holes Feed Themselves

Astronomers May Have Discovered First Moon Outside Our Solar System

Orbital Data Centers: Why the Hype Outpaces Reality

Scientists Find Sugar Deep In Our Galaxy

The Vera Rubin Telescope Begins Surveying Our Cosmos

Mysterious Spheres Found In Australia Are Likely Space Debris

FCC Approves Reflect Orbital's Space Mirror Satellite That Astronomers Hate

Orbital Datacenter Plans Need an Environmental Review, FCC Told

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