Mysterious blind 'ghost fish' reveals Congo to be the deepest river in the world
January 13, 2020, 6:16 p.m. by Bryan Nelson
It's so deep there could be species lurking in its depths that we've never seen before.
How London's 'lost' underground rivers could help curb carbon emissions
July 16, 2018, 9:26 a.m. by Matt Hickman
Campaigners see untapped potential in waste heat extracted from waterways buried beneath city streets.
Great Amazon Reef System is larger than previously thought
April 24, 2018, 10:39 a.m. by Noel Kirkpatrick
The coral reef in the Amazon River was first discovered in 2012.