AI agents are reshaping online accountability, as autonomous systems can now harm reputations, spread misinformation, and pressure open-source developers without clear human oversight or ...

Arousal fluctuates continuously during wakefulness, yet how these moment-to-moment variations shape large-scale functional connectivity (FC) remains unclear. Here, we combined 7T fMRI with concurrent ...

Despite the dramatic name, these alignments aren’t exceptionally rare. The last six-planet parade occurred in January 2025, ...

The planets are aligning. This Saturday is a rare chance to see several of our closest cosmic neighbors in a single sky. Six planets will assemble themselves for a spectacular “planetary parade” that ...

Conversational chatbots were the first chapter of AI. Today is the beginning of the second. We are excited to introduce Copilot Tasks — AI that doesn’t just talk to you, but works for you. This is a ...

The eclipses tend to follow each other, taking advantage of the sweet spot in the celestial bodies’ orbits. Tuesday’s total eclipse of the moon comes two weeks after a ‘ring of fire’ solar eclipse ...