If not,she says, they may be at increased risk for age-related broken bones years after their visits to space.

VOA: special.2009.03.10

"When solar panels supply both hot water and space heating, the goal of zero emissions begins to look achievable."

VOA: special.2009.03.25

"Obviously there are a lot of people that are unhappy about the potential of altering the future of space flight."

VOA: special.2010.04.28

But as he says, the search for life in outer space is a long-term goal, and he is still hopeful.

VOA: special.2010.05.25

But an explosion in space cost him the chance to reach the moon -- and nearly cost the crew their lives.

VOA: special.2010.04.28

The United States had sent an astronaut of its own into space for the first time in nineteen sixty-one.

VOA: special.2009.07.08

The new space agency was given a lot of money and thousands of engineers and technicians from military and civilian agencies.

VOA: special.2009.06.10

Mars Day at the Smithsonian Air and Space Museum in Washington is a celebration of our solar system's most famous planet.

VOA: special.2010.07.28

It was the countdown for Apollo Eleven the space flight that would carry men to the first landing on the moon.

VOA: special.2009.07.15

Jim Tedder tells us more. VSA hired the well-known building designer Michael Graves to design the "Revealing Culture" exhibit space.

VOA: special.2010.07.09

And the animals usually avoid their own waste, so that reduces the amount of good grazing space even more.

VOA: special.2010.01.19

Astronomers use the observatory to study the positions and movements of the Earth, sun,moon and other objects in space.

VOA: special.2009.09.21

The Californian band the Byrds was among the groups Bill Graham presented at the new space he called Fillmore West.

VOA: special.2010.12.03

Rockman imagines a terrible future in which plants and animals must be sent into space to protect them from Earth's pollution.

VOA: special.2010.12.15