Last Updated: Tuesday, April 30, 2013, 13:50
ESA`s Herschel space observatory has now run out of its supply of liquid helium coolant, ending more than three years of pioneering observations of the cool Universe.
Last Updated: Thursday, January 31, 2013, 10:27
A star thought to have passed the age at which it can form planets may in fact be creating new worlds, according to researchers.
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