NASA Cancels Its Rescue Mission for the Aging Swift Telescope

The LINK probe was supposed to use robotic arms to capture Swift and lift it into a safe orbit. Problems with its control system forced NASA to call off the attempt. [...]

One Way or Another, Most of Our Electricity Comes From Solar Power

That’s good news, since the forecast is sunshine for the next 5 billion years. [...]

This tree search framework hits 98.7% on documents where vector search fails

A new open-source framework called PageIndex solves one of the old problems of retrieval-augmented generation (RAG): handling very long documents.The classic RAG workflow (chunk documents, calculate e [...]

NASA's Artemis II Moon Mission: How to Watch and What to Know

This will be the first time that humans have traveled all the way to the moon since the early 1970s. [...]

Dark Matter May Be Made of Black Holes From Another Universe

A model of the cyclic universe suggests that dark matter could be a population of black holes predating the Big Bang. [...]

Explanation for why we don't see two-foot-long dragonflies anymore fails

Breathing capacity could have compensated for lower atmospheric oxygen. [...]

At Gaza’s Al-Shifa Hospital, the War Isn’t Over

Months into a supposed ceasefire in Gaza, doctors still have to smuggle in basic medical supplies—and treat new casualties of war. [...]

Traditional Home Insurance Is Collapsing. Here’s What Could Fill the Gap

A new, AI-assisted model of insurance is quietly exploding in disaster-prone areas—and may be coming for FEMA too. Is it the answer to climate change, or a trap? [...]

Narwhals become quieter as the Arctic Ocean grows louder

Increasing shipping traffic is interfering with the whales’ ability to hunt and communicate. [...]