Legend has it that the Santiago river used to swallow the canoe of anyone trying to explore it. Now an indigenous community is discovering surprising species in its waters.
How do you police the world's biggest tropical rainforest? Faced with deadly violence, indigenous people have set up their own unarmed guard.
Dramatic underwater photos capture the elusive Amazonian pink dolphins red-handed.
Recent findings show bigmouth buffalo fish have perplexingly long lives and appear to get healthier as they age. But scientists are worried their population is about to crash.
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.
