Researchers are worried that doctors treating refugees might misdiagnose the resulting illness as pneumonia.
It took 200,000 years to reach the first billion humans, but only 200 years to get to seven billion.
Tourists can't pay to see elephants if there are no elephants left.
Getting medicine to rural villages in Rwanda just got a lot easier.
George Osodi photographs the largest city in Africa with all of its contradictions, beauty and tension.
Nightly 'internet curfews' are the latest tool in the oppressive government toolbox.
Some sobering figures cast new discoveries in a different light.
Because people on Earth don’t seem to have the time and money.
It could help ease the helium shortage.
The US has enacted a near-total ban of ivory as elephant face increasing poaching threats.