@BBCAmos via Twitter
Nasa's Mars rover Curiosity drills to collect a powdered sample from the interior of a rock called "Cumberland". http://t.co/xAWHqGBXzU
A study showing how ants tunnel their way through confined spaces could aid the design of search and rescue robots, say scientists.
Scientists have used plant samples collected in the 19th Century to identify the pathogen that caused the Irish potato famine.
UK astronaut Tim Peake is to fly to the International Space Station, launching on a Soyuz rocket in November or December 2015.
What we know - and cannot know - about the forces driving through Tornado Alley
Digs shed light on one of world's oldest civilisations
Getting ready for the "Full English" in orbit
The raw power of the Sun as it unleashes the strongest radiation storms yet seen in 2013
Rush to join Arctic Council reflects growing importance of the region
French agriculture starts to feel effects of deteriorating economy
BBC correspondent tries out Google's smart glasses
Belated bluebell bloom BBC Nature
See why even the hardest working business travellers have fun in this US city
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