Image: BioRock and roll

This fluorescent work of art captures the beauty of biofilms, or the growth of microbes on rocks. In this microscopic image, Sphingomonas desiccabilis is growing on basalt.

Space shuttle Discovery, crew of 7 back on Earth

(AP) -- Shuttle Discovery and its astronauts returned safely to Earth on Tuesday after making a rare flyover of America's heartland to wrap up their 15-day, 6 million-mile journey to the International Space Station.

Dragon expected to set historic course

(Phys.org) -- The upcoming launch of a SpaceX spacecraft and rocket on a demonstration flight to the International Space Station is expected to cross a key milestone on the path to operational, commercial missions.

Faroe Islands to 'close' for a weekend to protect environment

Authorities in the Faroe Islands have announced the archipelago in the North Atlantic will be "closed for maintenance" for two days in April when tourists won't be welcome, instead opening the doors to volunteer caretakers.

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