News tagged with rocket

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Why are reusable rockets so hard to make?

SpaceX is attempting a huge feat in spacecraft engineering. It is seeking to land the first stage of its Falcon 9-R rocket on a floating platform at sea. Normally this would end up at the bottom of the ocean. ...

Jan 09, 2015
4.8 / 5 (28) 18

Probing Question: Are we running out of helium?

Party planners, take note: the atmosphere may become a little deflated at gala events in the future. Some scientists are sounding the alarm about the wastefulness of using helium—a rare, non-renewable gas—to fill party ...

Apr 26, 2013
4.6 / 5 (28) 11

Exploring the universe with nuclear power

In the past four decades, NASA and other space agencies from around the world have accomplished some amazing feats. Together, they have sent manned missions to the Moon, explored Mars, mapped Venus and Mercury, ...

Feb 02, 2015
4.7 / 5 (24) 34