Blackberry maker RIM has responded to India's ultimatum for it to provide access to its services or face being shut down.

A look at what supercomputers do and how they do it

The growing power of graphics cards might mean passwords have to get longer to stay secure, suggests research.

As Android phones become best sellers in the US, Google launches new voice command feature in latest challenge to competitors

A new supercomputer is transforming the way research is conducted at the University of Southampton.

Business software maker Oracle files a lawsuit against Google, accusing the firm of infringing patents on its technology.

Three "citizen scientists" discover a rare astronomical object using the processing power of their home computers.

Laura Sheeter reports on the latest developments from HOPE, the Hackers on Planet Earth, an event where three thousand delegates recently came together in New York.

More than 200 Facebook users have reported "abuse" following the launch of a "panic button" application last month, figures show.

More than 180 websites responsible for income tax "phishing" e-mails have been closed down in the past three months.