Shareholders will ask Google to commit to certain standards, including a pledge not to engage in proactive censorship or host user data in countries that restrict political speech.

Just as the pigment chlorophyll converts sunlight into chemical energy that allows green plants to live and grow, so might melanin help fungi make use of ionizing radiation.

SYDNEY: Astronomers have identified the source of a faint and mysterious Saturn ring that was discovered by the Voyager space probe and lies beyond the main retinue of rings. The G ring is more than 15,000 kilometres from the nearest moon and 168,000 k

Some galaxies hide the normally bright output of supermassive black holes at their centers behind thick veils of dust and gas, a new study finds.

Huge dust storms raging on Mars pose the worst threat yet to Nasa's robot rovers, the US space agency has said. Dust is starving the rovers of power by blocking out the sunlight needed to charge their batteries. The six-wheeled, solar-powered rovers

HOUSTON, Texas (AP) -- Dwarfed by the Saturn V rocket's immense size, 10-year-old Adam Brauscum stood in awe as his father described how such massive machinery carried man to the moon.

BALAD AIR BASE, Iraq (July 16) - The airplane is the size of a jet fighter, powered by a turboprop engine, able to fly at 300 mph and reach 50,000 feet. It's outfitted with infrared, laser and radar targeting, and with a ton and a half of guided bombs and

The most important Viking treasure find in Britain for 150 years has been unearthed by a father and son while metal detecting in Yorkshire. David and Andrew Whelan uncovered the hoard, which dates back to the 10th Century, in Harrogate in January. The

THE most important haul of Viking treasure to be discovered in Britain since the 19th century was unveiled yesterday. Discovered earlier this year by a father and son detecting team near Harrogate in northern England, the find includes coins, ornaments

An analysis of thousands of skulls shows modern humans originated from a single point in Africa and finally lays to rest the idea of multiple origins, British scientists said on Wednesday.