A range of free events focused on the second-longest waterway in Kent will be held over a week.

Simon Raven, who fishes bikes out of the River Kent, has been able to return two to their owners.

The fragile ecosystem that defends one of the most densely populated areas on Earth from the extremes of nature.

The great forest's other - lesser known - river that swirls above the tree canopy.

The most impressive pictures from the worlds of science and technology this week, including a pair of Indian rhinos and a spectacular volcanic eruption.

Why does the sea taste so salty? As the Earth Unplugged team discovers, it’s our rivers that have a huge part to play.

If you scooped up all of the world’s water and made it into a giant sphere, how big would it be? Sam Hume explains.