But not all tests for life in outer space take place far away, and not all involve the search for liquids.

VOA: special.2010.05.25

He says the agency currently has twenty-eight projects working in astrobiology, or the study of life in outer space.

VOA: special.2010.05.25

It has been a busy time in outer space for the astronauts aboard the shuttle Atlantis and on the International Space Station.

VOA: standard.2009.11.30

Both Melvin and Satcher say they hope there will be many more African-American space explorers inspired by what they've accomplished, not only in outer space but on Earth.

VOA: standard.2010.02.02

During the two-and-a-half hour moon walk, the astronauts frolicked in the weightlessness of outer space and planted an American flag in the lunar surface.

VOA: standard.2009.07.16