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East Texas Remembers Columbia Tragedy as Final Shuttle Landing Approaches

The Space Shuttle Atlantis is scheduled to land at Kennedy Space Center in Florida on Thursday, bringing the three-decade-long NASA program to a close and leaving the United States with no vehicle to carry astronauts into space for several years. For many residents of east Texas, the final shuttle landing stirs memories of the Space Shuttle Columbia that exploded overhead more than eight years ago.

Study Shows Diabetes Surging Worldwide

The number of adults worldwide with diabetes has more than doubled in the past three decades - jumping to nearly 350 million. And it continues to surge, according to a new study in the journal Lancet. Researchers say much of this dramatic increase - in Pacific island countries, North America and some of the Gulf states - is due to aging populations and rapid population growth. But part of it has also been driven by rising obesity rates, especially among young people.

WHO Panel Cites 'Possible' Brain Cancer Risk from Cell Phone Use

A scientific report released Tuesday by the World Health Organization concludes radio frequencies and electromagnetic fields - including those routinely emitted by mobile phones - are "possibly" carcinogenic to humans.

Earth vs Space Chess: A Chance to Checkmate the Cosmos

Life on the International Space Station requires intense concentration, critical thinking skills, and strategic contemplation of what could come next, because hundreds of kilometers above the Earth, there is a lot at stake. With one wrong move, you could lose your queen.

Voyager 1 at Edge of Our Solar System

Scientists with the U.S. space agency NASA say the Voyager 1 spacecraft, launched 33 years ago, is on the edge of our solar system where there is no outward motion of solar wind.