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 ...

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 ...

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 ...

All of us started as a single cell. Along the way, that cell divided and morphed in very individual ways. Some of us may have ended up short or tall, dark skinned or light, clever or slow, night owls ...

Photosynthesis comes as naturally to plants as breathing does to people. This process converts the simple ingredients of carbon dioxide, water and sunlight into energy. Photosynthesis allows plants to ...

ChatGPT and other artificial-intelligence tools are already reshaping our digital lives. But our AI interactions are now about to get physical. Humanoid robots powered by a certain type of AI could ...

Telescopes keep getting bigger — and more expensive. Researchers with the European Southern Observatory are building one telescope in Chile, for instance, called the Extremely Large Telescope. It will ...

Eventually, all living things die. And except in very rare cases, all of those dead things will rot. But that’s not the end of it. What rots will wind up becoming part of something else. This is how ...