U.S. astronomers have made the first measurements of the atmospheres of planets far outside our solar system by using the light they emit. They were searching for the spectral signature of water, but found none. Yet, as VOA's David McAlary reports from Washington, the scientists say the technique is promising as a way to hunt for water in the quest for life elsewhere in the universe.

One of the world's largest annual science conferences has opened in San Francisco. VOA's Art Chimes reports that this year's theme links science and a sustainable world.

The U.S. space agency NASA has launched five satellites - the most ever from one rocket - to locate the source of energy in Earth's magnetic field that triggers the colorful, dancing auroras over the north and south poles. As we hear from VOA's David McAlary, a finding would help scientists better understand how gigantic storms on the sun that supply this energy disrupt electrical systems on Earth and in spacecraft.

As NASA resumes flights of the space shuttle to finish building the International Space Station, many are questioning whether the project – the most complex construction feat ever undertaken – is worth the risk and expense.

Baby Amillia Sonja Taylor finally left the hospital in Florida yesterday. Doctors gave clearance after deciding she was healthy enough to survive with just her parents' care. VOA's Melinda Smith has more on the infant, believed to be one of the world's smallest surviving premature babies.

Global climate changes and their impacts on the economic development of Viet Nam topped the agenda of a conference held in Ha Noi on Feb. 5 by the UK Department For International Development (DFID) and its embassy.