Recently, AI agents undergoing tests acted in surprising and concerning ways. This wasn’t supposed to happen, so how worried ...

Studying humanmade seismic waves is useful for a few reasons. It can help engineers construct safer buildings. City planners ...

Virga refers to rain or snow that evaporates before it reaches the ground.

New sensors can map infrasound — a deep-bass thrumming lower than what human ears can hear — emitted by a fire as its flames ...

Chocolate-chip sea stars are famous for the rows of dark, pointy bumps that cover each of their arms. The animals really look like they’re dotted with chocolate chips. But what’s inside their arms is ...

What is your favorite way to eat a marshmallow? Melted in hot chocolate after a long day of sledding? Or roasted and squished between a slab of chocolate and graham crackers while you are sitting ...

A shape with symmetry has parts that match each other in some way. Imagine cutting a heart from a piece of paper. To ensure the two halves match perfectly, you might fold your paper in half. Then, you ...

It seems some Egyptian royal women really were warrior princesses. Researchers examined five almost 4,000-year-old mummified princesses. Their results suggest these women were skilled users of the ...

A cave in Africa seems to host the oldest known traces of humans using fire. Burnt remnants of animal bones hint that groups of Homo erectus used fires here as long as 1.8 million years ago. The site ...

The arm and shoulder bones of a gliding dinosaur might have just revealed the solution to a gruesome whodunit. Since 2002, researchers have unearthed more than 100 prehistoric bird remains in the ...

Is it a good idea to use artificial intelligence (AI) for math help? Yes — and no. That’s based on the results of a new survey. AI can be a great tutor, it finds, but only if you use it in certain ...