Over the past five years, Aleph has indexed 1.4 billion links and 450 million documents across some 140 000 dark websites
Many complain of Western bias, but others say citizens in countries like Nigeria should take responsibility for drawing the world’s attention.
The Danish editor who commissioned the Mohammed cartoons that triggered deadly protests a decade ago says he's leaving the Jyllands-Posten newspaper.
Sigolène Vinson survived the attack on the magazine and has given a chilling account of how one of the terrorist gunmen spared her life.
The terrorist organisation says it was responsible for the attack that saw 17 people killed, as the latest edition of the satirical weekly sold out.
Associate Professor James O Chibueze and Dr SP van den Heever are part of an international team of astronomers studying the G358-MM1 high-mass protostar.