The First Radio Signal From Comet 3I/Atlas Ends the Debate About Its Nature

An observatory detected the first radio signal from the interstellar object 3I/Atlas. Here's what it means. [...]

If the US Has to Build Data Centers, Here’s Where They Should Go

A new analysis tries to calculate the coming environmental footprint of AI in the US and finds that the ideal sites for data centers aren’t where they’re being built. [...]

Runaway black hole mergers may have built supermassive black holes

Early superdense star clusters may have planted seeds for monster black holes. [...]

How Can Soccer Players Bend Their Shots in Midair?

As World Cup action kicks off, we look at the physics of the beautiful game. [...]

A Far-Reaching Aurora Is Coming Tuesday and Wednesday Night: Here's Where You May See It

The aurora is projected to hit at least 21 states, just like last week's Northern Lights show. [...]

The Artemis II Crew Gives a Behind-the-Scenes Tour Inside Their Orion Spacecraft

This is how the four astronauts sleep, use the bathroom and work out while on their 10-day mission to the moon and back. [...]

OpenAGI emerges from stealth with an AI agent that it claims crushes OpenAI and Anthropic

A stealth artificial intelligence startup founded by an MIT researcher emerged this morning with an ambitious claim: its new AI model can control computers better than systems built by OpenAI and Anth [...]

Corals survived past climate changes by retreating to the deeps

A recent die-off in Florida puts the spotlight on corals' survival strategies. [...]

OpenAI reboots ChatGPT experience with GPT-5.1 after mixed reviews of GPT-5

ChatGPT is about to become faster and more conversational as OpenAI upgrades its flagship model GPT-5 to GPT-5.1.OpenAI announced two updates to the GPT-5 series: GPT-5.1 Instant and GPT-5.1 Thinking. [...]