Birds sing the most about an hour before dawn, when the air is at its stillest. Theoretically, this enables sounds to travel ...

Before sunrise, birds begin to sing. But now, they’re starting earlier and finishing later—thanks to us. A new study published in Sciencefinds that artificial light is shifting birds’ daily routines ...

It’s 2 a.m. You’re snoozing in bed. The sun hasn’t risen, but the robin has. It is tuk-tuk-tuk-ing at an unnatural hour, waking you up. If this has happened to you, you’re not alone. Around the world, ...