The latest stories from the Technology section of the BBC News web site.
Updated: 21 min 6 sec ago
The first images come back from the radar satellite launched as part of the European Union's new flagship Earth-observation project.
German security researchers say that a spoof fingerprint can be used to unlock Samsung's new handset and steal money.
The Bitcoin exchange MtGox has been placed in administration by a Japanese court and it is expected that bankruptcy proceedings will be started.
French hard-disk maker LaCie warns that shoppers' credit cards details and logins may have been stolen from its store over a one-year period.
Biz Stone discusses his new social app Jelly which he hopes will encourage people to help each other out.
Remote presence bots help doctors visit hospital wards
How 3D printing is changing the shape of lessons
Report shows how foreign fighters in Syria are using social media
Shares in the struggling internet search giant Yahoo surge 9%, despite first-quarter profits falling 20%.
Internet giant Google has bought high-altitude drone firm Titan Aerospace for an undisclosed sum.
A facial recognition database being built by the FBI could contain over 52m images by 2015 causing concern to privacy campaigners
The struggle to fix problems caused by the Heartbleed bug could make web browsing speeds slow to a crawl, warns net monitoring firm Netcraft.
A new fibre optic network is to be created in York to provide ultra-fast broadband speeds throughout the city.
The founder of MtGox - once the world's biggest Bitcoin exchange - refuses to travel to the US to testify about losing large amounts of the virtual currency.
US Airways apologises after an explicit photo was sent from its official Twitter account in response to a customer complaint.
Researchers at the University of Southampton have developed three-directional pressure sensors which they say could prevent dangerous sores for thousands of patients
Researchers have developed a new type of pressure sensor - dubbed a "second skin" - which they say could prevent dangerous sores.
The BBC's attempt to create 3D sound recordings
New tech helps small firms shoot for the stars