Chorus waves have hitherto been observed only in the near-Earth region. The so-called "chirping" waves, some of the strongest natural electromagnetic emissions in space, have been associated with ...

We know that cats are prone to purring, meowing, and even hissing, but what about chirping and chattering? The first time you notice it, it can be a bit jarring (and quite funny) to hear your cat ...

NPR's Scott Detrow speaks with Matthew Medler of the Cornell Lab of Ornithology about the best bird sounds of 2025 from their vast collection of recordings, and why their selections made the list.

The sound of a bird chirping is nature’s alarm clock. It somehow creates a sense of peace as you open your eyes to get your day started. But one thing you might never recall is hearing birds at night.