Recursive self-improvement, where AI continuously builds better versions of itself, might be harder than some hope.

Floating in a warm, nutritious bath, the slices of mouse brain buzzed with electrical activity. Researchers gave them a few zaps, and parts of the hippocampus strengthened their wiring. This type of ...

Human beings have long told versions of the same warning: Be careful what you wish for. In Greek mythology, King Midas got exactly what he asked for, but at the cost of everything else he valued. In ...

"In recently aired podcasts, interviews, and private investor meetings, OpenAI CEO Sam Altman has described his desire to turn ChatGPT into a proactive, always-on AI agent. ...'There’s like a single ...

Our cherished memories may be more resilient than previously thought. Long-term memories are stored in synapses, the connections between neurons. These structures sit on tiny protrusions called ...

As the race to harness quantum computing accelerates, governments are throwing their hats in the ring. The US Department of Energy is now aiming to build a fully functional, fault-tolerant quantum ...

These lab-grown balls of brain tissue could help researchers study a host of disorders that emerge as the brain ages. Five years is an eternity for brain organoids. Also called mini brains, these ...

Increasingly, companies are building humanoid robots that perform impressive athletic feats to mark the field’s progress. Now, Chinese robotics company Unitree says its new "Superman" robot can run 12 ...

More Space Junk Is Plummeting to Earth. Earthquake Sensors Can Track It by the Sonic Booms.

As data-center energy bills grow exponentially, technology companies are looking to nuclear for reliable, carbon-free power. Meta has now made an unusually direct bet on a startup developing small ...

When you interact with a large language model (LLM)—one of the systems behind chatbots such as ChatGPT and Claude—it can feel as though you are in contact with another conscious mind. But are you, ...