US frontman talks to the US Senate about how comedy could defeat Islamic State
Money from the sale of the instrument will go to the Global Fund to AIDS, tuberculosis and malaria
Stars have assembled to record a charity single to combat the spread of Ebola in London
The U2 frontman makes the confession at the TED conference in California
Julian Lennon says the U2 singer's eye condition is worsening
The activist will be the guest of honour at the Electric Burma concert in Dublin on June 18
The frontman has slammed reports saying Facebook's floatation has made him richer than Paul McCartney
U2 frontman will leap over Paul McCartney after social network floatation
Glittering collection of stars at George Clooney-organised benefit