Asteroid may show how life came to Earth

For the first time, water and organic molecules have been detected on an asteroid. The discovery lends plausibility to the theory that both  life on earth and water arrived through asteroid strikes.

EPA delivers strong message on climate change

The Environmental Protection Agency report says climate change is unequivocally causing hurricanes and heat waves.

Hugo Chavez gets 34,000 followers after a single tweet

It's pretty good going to get 34,369 Twitter followers (and counting) after a single tweet - and over 12,000 of those signed up to follow Venezuelan president Hugo Chavez before he'd even typed a word.

Senators call on Facebook to reverse privacy changes

Four senators are calling on Facebook to recosider its decision to reveal users' personal information to third party websites - information that they were previously able to keep private.

Techie convicted of locking up SF city network

A former network administrator has been convicted of hijacking San Francisco's computer network and refusing to tell his bosses the passwords.

Hi-tech industry cuts a quarter-million jobs

The US' hi-tech industry cut nearly 250,000 jobs last year, after rour years of growth in a row.

Earth microbes could contaminate Mars

Common bacteria found on spacecraft may be able to survive the harsh environs of Mars long enough to inadvertently contaminate Mars with terrestrial life.

Molecular computer mimics human brain

A team of researchers from Japan and Michigan Technological University has built a massively parallel molecular computer.

New privacy hole in Facebook makes Zuckerberg's party plans public

A Google software engineer has discovered another privacy hole in Facebook - and illustrated it by publishing a list of Facebook founder Mark Zuckerberg's planned public events.

Supreme Court to consider California's under-eighteens games ban

The Supreme Court has agreed to reevaluate whether playing violent games is a constitutional right of the under-eighteens.

Software lets driver control car with eye movements

A German team has developed software that lets drivers steer simply by looking in the direction they want to go.

Beware alien invaders, says Stephen Hawking

They say strangers are just friends you haven't met yet - but it's not a view Stephen Hawking shares. In a new documentary series for the Discovery channel, he suggests that we should be avoiding making contact with aliens at all costs.

Ancient asphalt domes 'like an artificial reef'

WHOI scientists have discovered a group of giant asphalt domes under the sea off Santa Barbara, California.

Hubble just gets better with age

The Hubble Space Telescope celebrates its 20th birthday today with the release of another photo that could come straight from the cover of a 1970s prog rock album.

Modeling website admits child porn

A Florida modeling website has pleaded guilty to child pornography charges for obscene pictures which netted the company over $1 million.

Whale poo saves world from global warming

Save the whale, and it'll save you too, say Australian scientists, by recycling iron in the ocean through its poo.

Skype slams mobile operators for being greedy

Skype's European director of government and regulatory affairs Jean-Jacques Sahel has hit out at mobile operators for jeopardising net neutrality through greed.

Ocean acidification intensifying, says committee

The oceans are acidifying more quickly than at any time in hundreds of thousands of years, the National Research Council has reported to Congress.

Caltech develops 'sound bullets'

Caltech researchers have built a device that produces highly focused, high-amplitude acoustic signals dubbed 'sound bullets'.

Solar observatory sends back first dramatic pictures

The new Solar Dynamics Observatory (SDO) could be as important to science as the Hubble Space Telescope, says NASA, as it releases its first close-up pictures of the sun.