There's some birds that use deep sleep as a survival tactic, but there’s a world of difference between a deep sleep and hibernation proper. During cold or wet weather, parent swifts find it hard to ...

Tonight, there will be more birds in the sky than there are people in the United States. According to Cornell Lab’s BirdCast, an estimated 373 million winged migrators will continue their journey ...

The common swift is built for the air. It has long, narrow wings, a lightweight body and a shape that helps it glide efficiently. Swifts rarely touch the ground and perform many life activities while ...

Travel brings new colour to your life, and journalling lets you stand back to understand and enjoy the art as it unfolds ...

Have you ever glanced up at the sky in late summer or the fall and seen a huge flock of birds create the most amazing shapes? Seemingly moving as one, the shape swoops, twists, and rotates, ...

Urbanization is rapidly transforming natural habitats and poses growing challenges for wildlife. One lesser-known consequence ...

By tracking eye movements in zebrafish, researchers identified four different types of sleep, analogous to the complex sleep ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. You snore because your airway was redesigned for language. That structural trade-off has ...

All the cool kids are, apparently, birding ...

PCWorld reports that Claude AI has developed a persistent habit of interrupting users to suggest they go to sleep during work ...

For millennia, philosophers have argued over why humans sleep and dream. In his fourth-century-bc treatise On Sleep and Sleeplessness, the philosopher Aristotle argued that sleep is a necessary, ...