Topic: Bruce Betts
A joint NASA-Pentagon project, called the 100 Year Starship Study, aims to get inventive minds thinking about how human interstellar space travel can become a reality by next century.
06/18/2011 09:38 am
The US-based Planetary Society this week announced its second attempt to launch a small spacecraft with sails propelled by sunlight.
11/11/2009 12:00 am
Perchlorate exists, too, in soils on Earth. Its presence probably has little bearing on prospects for life on Mars, scientists say.
08/06/2008 01:00 am