Rounded pebbles found on Mars with rover Curiosity are proof of ancient river flows @sciencemagazine sciencemag.org/content/340/61…

Watch the TED talk from a genius of photography – “Sebastião Salgado: The silent drama of photography” on.ted.com/jcm0 #TED

Mars Mineral Globe spaceref.com/mars/mars-mine… via @SpaceRef

A privately-funded telescope on the Moon in 2015 spaceref.ca/google-lunar-x… via @CanadaInSpace

Digital Rijksmuseum! From NYT: Masterworks for One and All nyti.ms/10EbOpF