The shootings at Sandy Hook Elementary School in Connecticut are the latest in the United States’ long history of massacres at schools and colleges.

The shootings at Sandy Hook Elementary School in Connecticut are just the latest in the US’s long history of massacres at schools and colleges.

Mobile phones carry 10 times more bacteria than toilet seats, so it shouldn’t be surprising that a man in Uganda reportedly contracted Ebola after stealing one.

FOR the first time, Earth has a regular, orbiting eye-in-the-sky spying on the solar system’s smallest and strangest planet, Mercury.

PRESIDENT Barack Obama led a national outpouring of grief, while calling for unity at an emotional memorial after a shooting that unleashed fierce debate about inflammatory political rhetoric.

President Barack Obama appealed for unity at a memorial service for those attacked in the Arizona shooting rampage and implored a divided America to honour them by becoming a better country.

President Barack Obama said that the United States is still in shock about the shooting rampage in Arizona that has left a Democratic congresswoman fighting for her life, but he commended the courage of the people who responded on site, saying their actions reflect the “best of America”.

Anger was mounting throughout the US today regarding a law cracking down on illegal immigration in Arizona.

Nasa declared an end to the Phoenix mission, five months after the spacecraft became the first to land in Mars’ arctic plains and taste water on another planet.

Nasa’s Phoenix spacecraft has discovered evidence of past water at its Martian landing site and spotted falling snow for the first time, scientists reported.

Aliens could be out there, and believing that the universe may contain extraterrestrial life does not contradict a faith in God, the Vatican’s chief astronomer says.

Bystanders who give mouth-to-mouth resuscitation are risking the lives of cardiac arrest victims and should stick to chest compression, researchers said today.

US astronomers say they have found the best evidence to date for “darkmatter”, the mysterious invisible substance that is believed to account for the bulk of the universe’s mass.

WORRIED about colds, flu and other germs? Go ahead and touch those doorknobs and elevator buttons, but watch out for the telephone and sinks, a top expert advises.

WORKERS have long been warned about the dangers of heavy machinery and toxic materials but the computer keyboard poses one of the greatest workplace hazards, researchers have warned.

European space officials offered sharpened pictures today from their Huygens probe on Saturn’s moon Titan, showing a pale orange surface covered by a thin haze of methane and what appears to be a methane sea with islands and a mist-shrouded coastline.

For the first time ever, Nasa is setting off on a collision course with a comet, in the hope of blasting a huge hole in the celestial snowball and gazing upon the original ingredients of the solar system preserved inside.

Rory Sabbatini may have put himself in position for his first title in three years but his achievements were overshadowed by the appearance of Annika Sorenstam at the Colonial.

Alien astronomers on planets in other star systems almost certainly have the Earth listed as a world teeming with life, a leading scientist claims.

A space mission to the asteroid belt using Star Trek-style technology has been approved by the United States space agency Nasa.