The militant group is said to have invaded Cameroonian towns, sparking fears that it is expanding into neighbouring countries.
The discovery of 55 Cancri e means ground-based telescopes could be used to find new "super-Earths".
Following rumours that Beyonce would release a second surprise album, her representative says the US singer will release a boxset of her 2013 album.
Pope Francis has cautioned against portraying God as a magician and says it is possible to believe in evolution and creation.
Meriam Ibrahim, whose death sentence was overturned after international outcry, has arrived with her husband and two children in Italy.
Sufficient political will is all we need to get the 58-million children not in school into classrooms by the end of next year, says Andris Piebalgs.
The soul artist who worked with musicians such as Sam Cooke, Damon Albarn and Gorillaz has died after a career spanning nearly six decades.
Meriam Ibrahim has been rearrested with her husband and two children at Khartoum airport a day after the appeal court ordered her release.
A young American in Tübingen had to be rescued by 22 firefighters after getting trapped inside a giant sculpture of a vagina.
There is the question of further raising Boko Haram's profile, and playing into the hands of some elements of the group.