here are the most stunning nature photos captured in 2024. Every autumn, millions of monarch butterflies (Danaus plexippus) ...

Photographer Mitch Epstein's years-long project highlights the majesty and vulnerability of old growth forests across the US ...

Watch Ice Bridge on The Nature of Things to learn more about ice age North America and a hypothesis that could change the story of human history.

Despite its localised nature, the effects of this dripping are felt across a broad area of the North American craton, which spans much of the US and Canada.