With custom-built cameras attached to their bodies, animals from nine species offer a rare and intimate glimpse into their lives.
An Italian company attempts to build the world's most luxurious cruise ship, but must navigate an ocean of financial and safety concerns to do so.
A team of scientists discovers ancient rock-cut tombs while uncovering how the first settlers of the Himalayas arrived, adapted and lived.
Scientists venture onto the ice to find out why krill, creatures crucial to the Antarctic ecosystem, are disappearing at an alarming rate.
A magnitude 7.8 earthquake strikes Nepal in April 2015. Scientists race to calculate the impact and devise ways to mitigate future disasters.
A concealed chamber in South Africa houses hundreds of human remains that may help fill a gap in history and reveal the true origins of our species.
In the darkest depths of the oceans, species generate light to hunt, mate and communicate, while scientists seek ways to harness their power.
The Nazi regime built systems and infrastructure on a scale the world had never seen. From propaganda to death trains, they are now all uncovered.