HeLa cells have gone to the moon to test the effect of zero gravity.

VOA: special.2010.07.21

The former astronaut says he would like to go back to the moon to see how the American flag he and Neal Armstrong planted there is doing.

VOA: special.2011.07.18

In February, the government of Pakistan asked U.N.Secretary-General Ban Ki-moon to establish an international commission to investigate Mrs.Bhutto's assassination.

VOA: standard.2009.06.21

Science fiction writer Arthur C.Clarke described an object left on the moon to let aliens know when humans were able to travel in space.

VOA: standard.2010.04.16

So this year NASA sent up a spacecraft and sent the rocket stage right into the moon to 'bomb' the moon, basically,and see what came up.

VOA: standard.2009.12.24

U.N.chief Ban Ki-moon told reporters he would go to the Danish capital next week to open the high-level segment that he expects will draw more than "I am encouraged and I am optimistic.

VOA: standard.2009.12.09

But earlier,Buzz Aldrin the second man to walk on the moon took part in a NASA news conference where he pushed for a new round of space exploration, with the goal of sending astronauts to Mars.

VOA: standard.2009.07.20

Years of worry that the same rockets that could take people to the moon could also bring nuclear war to Earth.

VOA: special.2009.08.16

To explore the surface of the moon, astronauts must be able to survive outside the protection of their spacecraft.

VOA: special.2009.07.01

The astronauts would ride to the moon in the command module and then ride back to Earth in it.

VOA: special.2009.07.22

The new launch vehicle would be used to carry the supplies and equipment needed to explore space beyond the moon.

VOA: special.2010.04.28

Newton proved his idea by measuring how much gravity force would be needed to keep the moon orbiting the Earth.

VOA: special.2011.06.01

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 jester said, "If these wise men do not know how to hide the moon, then the moon cannot be hidden."

VOA: special.2009.03.28