BBC Earth Astro

The best of David Attenborough's early adventures as never seen before - in colour - and with it the story of how the pioneering television series Zoo Quest was made.

President Barack Obama and Bear Grylls explore the Alaskan wilderness, where they observe evidence of climate change, sample wild salmon and catkins tea made with water from melting glaciers.

Joanna catches a bullet train straight into the metropolitan sprawl of Tokyo, before heading to the ancient capital of Kyoto with its stunning temples and shrines.

Professor Brian Cox explores the solar system's hidden realms, between and beyond the planets, where countless worlds lie hiding in the darkness.

Paul departs from Tokyo and travels northward by bullet train, pausing to soak in the serene mountain springs of Unazuki Onsen, before exploring the art of shimmering Kanazawa gold leaf.

Paul explores the remote, thatched villages of Gokayama, through Niigata's rice paddies on a special sake train, to the washi paper mills of Echizen, and the ancient, spiritual waters of Lake Biwa.

Record-breaking Hurricane Otis devastates holiday hotspot Acapulco on Mexico's coast.

What draws humans to the coldest and most hostile reaches of our planet?

The best of David Attenborough's early adventures as never seen before - in colour - and with it the story of how the pioneering television series Zoo Quest was made.

Paul departs from Tokyo and travels northward by bullet train, pausing to soak in the serene mountain springs of Unazuki Onsen, before exploring the art of shimmering Kanazawa gold leaf.

Paul explores the remote, thatched villages of Gokayama, through Niigata's rice paddies on a special sake train, to the washi paper mills of Echizen, and the ancient, spiritual waters of Lake Biwa.

Record-breaking Hurricane Otis devastates holiday hotspot Acapulco on Mexico's coast.

President Barack Obama and Bear Grylls explore the Alaskan wilderness, where they observe evidence of climate change, sample wild salmon and catkins tea made with water from melting glaciers.

Joanna catches a bullet train straight into the metropolitan sprawl of Tokyo, before heading to the ancient capital of Kyoto with its stunning temples and shrines.

The best of David Attenborough's early adventures as never seen before - in colour - and with it the story of how the pioneering television series Zoo Quest was made.

Julianne Hough joins Bear on a trek in Africa, where they encounter a pack of elephants blocking their path. Other challenges include dealing with big cats and a snake; rappelling from a cliff; and na

Whilst humans are prone to fighting the inevitability of ageing, trees have perfected the art of aging gracefully. In this episode, we will discover how mature trees do incre