For the first time, astronomers have uncovered evidence of water vapour in the atmosphere of Jupiter's moon Ganymede. This water vapour forms when ice from the moon's surface sublimates that turns from solid to gas.
The Sitio Burle Marx site, a landscape garden in Brazilian city Rio de Janeiro has been added to UNESCO's list of World Heritage sites. The garden features more than 3,500 species of plants native to Rio and is considered a laboratory for botanical and landscape experimentation.
Google-parent Alphabet will launch a new robotics company, Intrinsic which will focus on building software for industrial robots. The segment comes out of X, Alphabet's Moonshot factory that houses futuristic firms such as Waymo, Wing and Veril.