Want to reduce your risk of skin cancer? Wear sun screen, of course. But two new studies suggest that choosing your relatives carefully could also be helpful.

The US space shuttle Discovery has blasted off from the Kennedy Space Center at Cape Canaveral on a mission to bring supplies to the International Space Station. Originally scheduled to lift off on Tuesday, the launch had been delayed three times.

The longest total solar eclipse of the 21st century cast its shadow over parts of Asia on Wednesday, plunging hundreds of millions of people into darkness for six minutes and 39 seconds. The next total solar eclipse will be on July 11, 2010.

The world's only piloted aircraft using fuel cell propulsion technology took off from Hamburg airport on Tuesday on its first public flight, proving that hydrogen-powered transportation is not a pipe dream.

NASA deferred the launch of its shuttle Endeavour on Wednesday for the second time in less than a week due to a nagging hydrogen leak whose cause experts are struggling to understand.

The shuttle touched down at Kennedy Space Center in Florida, hours after its return was postponed because of concerns about poor weather conditions.

After a successful liftoff, the US space shuttle Discovery is heading for the International Space Station, carrying a final pair of solar panels due to be installed ahead of the arrival of an expanded space crew.

More bad news on climate change is expected as more than 2,000 climate scientists gather in Copenhagen.

More than 25,000 conservationists and international policy makers are preparing to meet in Istanbul this month to discuss world water challenges.

In its first attempt to look for earth-like planets, NASA launched Friday the Kepler space telescope. The mission will last three years and cost close to 600 million dollars.

The U.S. space agency NASA has postponed the launch of shuttle Discovery to the International Space Station (ISS) until March 12.

Lifestyle changes and screening have shifted the type of breast cancers women are diagnosed with over the past couple of decades, research suggests.

Nasa and the European Space Agency have decided to forge ahead with an ambitious plan to send a probe to the Jupiter system and its icy moon Europa.

The art fair opened knoen as art language in heart.

Post-menopausal women who take combined hormone replacement therapy for at least five years double their risk of breast cancer.

The first home made Iranian satellite, dubbed 'Omid' (Hope), successfully launched into orbit on Monday by a message from President Ahmadinejad

Iran plans to put its first domestically made communication satellite into orbit by March 19-20, Reza Taqipour head of the Iranian space agency has said.

Scientists in the United States have pointed the finger at seven genes that appear to play a role in psoriasis, a study published on Sunday says.

The latest Windows release will be available to everyone after a surge in demand crashed the Microsoft website on 9 January, the original release date.

The removal of cats in 2000 caused "catastrophic" damage to the ecology of a sub-Antarctic island, a study says.