Is Earth really exceptional? A new book seems to reaffirm that notion. But given the right conditions, primitive life may be a mere byproduct of biophysics.
As night falls on the Atacama desert in northern Chile four giant telescopes turn their gaze towards the star-strewn heavens.
Photographers have been sharing their photographs of Comet G3 (ATLAS), which burned bright during January in the southern hemisphere ...
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