Let's dig in deeper as to why birds chirp at sunset. Aside from nocturnal species that like to sing during the night, other birds enjoy singing during the dusky hours. Some bird species are ...

NEW YORK — Scientists have detected cosmic waves that sound like birds chirping in an unexpected place. These bursts of plasma, called chorus waves, ripple at the same frequency as human hearing.

They originate from high above Earth's surface and, as a sound wave, are comparable to birds chirping. Prior to the observation, these waves had only been detected as far away as 51,000 kilometers ...

DETROW: That chirping you're hearing right now is the western meadowlark. It's one of the sounds that made the Macauley Library's list of best audio recordings of 2025. The library is an online ...

DETROW: Let's listen to a few of them and talk about them. MEDLER: Sounds great. (SOUNDBITE OF BIRD CHIRPING) DETROW: So this was in the capturing natural moments category. Can you tell us about it?

Scientists have detected cosmic waves that sound like birds chirping in an unexpected place. These bursts of plasma, called chorus waves, ripple at the same frequency as human hearing. When ...

And finally, today, a little bit of nature to ease you into your evening. (SOUNDBITE OF BIRD CHIRPING) DETROW: That chirping you're hearing right now is the western meadowlark. It's one of the sounds ...