Astronomers find a strange pulsar blinking in slow motion

About 2,600 light-years away, a dead star is sending signals from beyond the grave.  Astronomers recently found the strange beacon, which appears to be a pulsar blinking in slow motion — something that shouldn’t be possible. “It’s incredibly exciting to discover such a long-period pulsar,” says Yuanming Wang, a postdoctoral […]

Earth Science Showcase – Kids Art Collection

On April 16, 2025, the Earth Science Division at NASA’s Ames Research Center in Silicon Valley held an Earth Science Showcase to share its work with the center and their families. As part of this event, kids were invited to share something they like about the Earth. These are their […]

The Download: how Trump’s tariffs will affect US manufacturing, and AI architecture

This is today’s edition of The Download, our weekday newsletter that provides a daily dose of what’s going on in the world of technology. Sweeping tariffs could threaten the US manufacturing rebound Despite the geopolitical chaos and market collapses triggered by President Trump’s announcement of broad tariffs on international goods, some supporters […]

Many AI features, like Gmail’s AI assistant, feel useless because they don’t allow users to edit system prompts, constraining the AI models they’re built with (Pete Koomen/koomen.dev)

Pete Koomen / koomen.dev: Many AI features, like Gmail’s AI assistant, feel useless because they don’t allow users to edit system prompts, constraining the AI models they’re built with  —  I noticed something interesting the other day: I enjoy using AI to build software more than I enjoy using most […]