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Signals from empty space
What are the properties of the vacuum, the absolute nothingness? So far, physicists have assumed that it is impossible to directly access the characteristics of the ground state of empty space. Now, a team of physicists has succeeded in doing just that. They demonstrated a first direct observation of the so-called vacuum fluctuations by using short light pulses while employing highly precise optical measurement techniques.
The golden anniversary of black-hole singularity
Rock samples from Western US teach how to hunt for life on Mars
High-powered telescope designed to explore origins of universe moving toward 'first light'
Asteroids found to be the moon's main 'water supply'
Dawn team shares new maps and insights about Ceres
Mars: New hypothesis on the origin of the megafloods