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ISRO and ESA sign new agreement for joint Earth observation missions, expand long-standing space cooperation

ISRO and the European Space Agency have signed a new agreement to collaborate on calibration, validation and scientific studies for Earth observation missions. The partnership also builds on previous ...

Can Space travel shift the brain’s position? Scientists examine surprising effects of Microgravity

Scientists examined brain MRI scans of astronauts and found microgravity causes upward and backward brain shifts, which gradually take months to recover after returning to Earth.

The universe is humming with ripples in spacetime: Scientists just doubled our catalog of black hole and neutron star collisions

The catalog of gravitational waves "heard" by LIGO, KAGRA and Virgo has doubled with detections of spacetime ripples.

ISRO, European Space Agency sign pact on Earth observation missions

India's ISRO and Europe's ESA have inked a new agreement to enhance their joint efforts on Earth observation missions, promising advancements in space science.

Will Proba-3 phone home? European solar-eclipse satellite goes dark

One of Europe's two Proba-3 spacecraft suffered an anomaly last month, putting the future of the solar eclipse-creating mission in doubt.

XMM-Newton finds two stray supernova remnants

When the European Space Agency's XMM-Newton pointed its telescope at two unidentified sources of light in the outskirts of the Large Magellanic Cloud, scientists were able to confirm what seemed an ...

Ohio astronaut Robert Springer flew combat missions, then to space

Robert "Bob" Springer's open-mindedness has taken him from the small town of Ashland to the skies of Vietnam and the halls of NASA.

Astronomers are capturing video of a black hole for the first time

Astronomers are working to capture the first-ever video of a black hole — a groundbreaking effort that could shed light on how these enigmatic cosmic objects behave and offer clues about the origins of our universe.

Self-repairing spacecraft could revolutionize space travel: Here’s how

The European Space Agency (ESA) is working on an innovative self-repairing spacecraft technology. This project, created in collaboration with Swiss companies CompPair and CSEM and Belgian firm ...

What goes on inside a massive star before it explodes as a supernova?

When most people think of a supernova, they're thinking of a Type II core-collapse supernova. These are massive stars that have reached the end of their time on the main sequence. They've used up ...

Show HN: Anchor Engine – Deterministic Semantic Memory for LLMs Local (<3GB RAM)

Anchor Engine is ground truth for personal and business AI. A lightweight, local-first memory layer that lets LLMs retrieve answers from your actual data—not hallucinations. Every response is traceable, every policy enforced. Runs in &lt;3GB RAM. No cloud, no drift, no guessing. Your AI&#x27;s anchor to reality.We built Anchor Engine because LLMs have no persistent memory. Every conversation is a fresh start—yesterday&#x27;s discussion, last week&#x27;s project notes, even context from another t

Ask HN: How do founders process decisions without getting stuck?

Most founders I meet don’t want advice—they want validation. They’re buried under choices, conflicting opinions, and endless tactics. I’ve been testing a private space where founders can process decisions in real time—no advice, just clarity. I’m curious: if a space like this existed today, would it actually help you make decisions faster and avoid costly mistakes?

300 Founders, 3M LOC, 0 engineers. Here's our workflow

My co-founder Tyler Brown and I have been building our product for 6 months. The co-working space that Tyler founded that we work out of houses 300 founders that we&#x27;ve gleaned agentic coding tips and tricks from.Neither of us came from traditional SWE backgrounds. Tyler was a film production major. I did informatics. Our codebase is a 300k line Next.js monorepo and at any given time we have 3-6 AI coding agents running in parallel across git worktrees.Every feature follows the same four-pha

Show HN: Verified n8n community node for Anytype

I built an n8n integration for Anytype, the local-first encrypted PKM app. It supports full CRUD on objects and spaces plus raw API requests for anything custom. Verified by n8n, so it installs directly from the nodes panel!<p>Anytype&#x27;s API is relatively new, so this is one of the first automation integrations available for it. If you use both n8n and Anytype (or are curious about either), I&#x27;d love to hear what workflows you&#x27;d want to build.

Show HN: I built the first scripting language for multiplayer game dev

Hi HN,I&#x27;m one of the engine programmers at All Out Games (https:&#x2F;&#x2F;allout.game&#x2F;), a multiplayer-first gaming UGC platform where creators can make and play games with their friends. For scripting we wanted our creators to be able to jump in and create game mechanics without having to think about networking. If a developer had to manually send packets to&#x2F;from client&#x2F;server to get things to happen then we have failed. It is particularly bad if you are using AI tools bec

Show HN: NeoNetrek – modernizing the internet's first team game (1988)

Netrek is a multiplayer space battle game from 1988–89, widely considered the first Internet team game. It predates commercial online gaming by years, ran passionate leagues for decades, and is still technically alive — but getting a server up has always required real effort, and there’s been no easy way to just play it in a browser. NeoNetrek is my attempt to change that: Server: Based on the original vanilla Netrek C server, modernized with simpler configuration and containerized for one-comma

Self-repairing spacecraft could revolutionize space travel: Here’s how

The European Space Agency (ESA) is working on an innovative self-repairing spacecraft technology. This project, created in ...

Gravitational waves reveal hidden structure of galactic centers

A new study published in Nature Astronomy indicates that the dense, star- and dark-matter–rich environments around supermassive black hole binaries pack on the order of a million solar masses into ...

Could a black hole actually destroy Earth? (And what happens if you fall in)

Black holes are the most extreme objects in our universe - but could one actually destroy Earth? In this video, we explore the mind-bending science of black holes, from spaghettification to time ...

25 of the funniest reactions to the first ever image of the black hole

The 10th of April, 2019, will go down in history as the day when the first ever picture of the black hole was released. It ...