Nasa’s Kepler telescope failure is not the end of searching for another Earth

Stuart Clark: Even if Nasa's Kepler space telescope is coming to the end of its mission, the search for other Earths will continue

Apple sells 50 billionth app

From Angry Birds to Summly, smartphones and tablets have accelerated a huge business that began just five years ago

Chief executive defends Google Glass and slams sector's 'negativity and zero-sum games' in speech to Google I/O

Dr Kristi Funk's account of Angelina Jolie's surgery aims to help women understand the preventive treatment

Katie Rogers: The Guardian's new Tumblr project English to English attempts to track and catologue our cultural similarities and differences

Tale of quirky character troubled by a guilty past due to start shooting in Los Angeles this autumn

Actor confirmed for update of Sam Peckinpah's iconic film, reportedly featuring DEA agent on tail of Mexican drug baron

Health campaigners praise actor's decision to go public to encourage other women to check for defective gene BRCA1

Actor's decision to tell her story of preventive breast cancer surgery is welcomed by medical experts worldwide

Financial information giant scrambles to restore reputation as error follows revelation of reporters' access to terminals

Researchers say no standard has yet been agreed despite claim to have developed system hundreds of times faster than 4G. By Charles Arthur

Web giant introduces new way to pay for apps and games with giveaway to Kindle Fire users. By Alison Flood

Actor in talks to star in remake of 1984 action comedy about mutated man who wreaks revenge on bullies

Cuts and delays hit box office take for spaghetti western homage, but legal nationwide opening is a first for the director