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Science & Environment
Of the four companies picked by Nasa to receive funding to develop a replacement for the shuttle, perhaps the least is known about Blue Origin and its space vehicle. The crew capsule, shown below, is designed to be launched on an Atlas V rocket and ultimately Blue Origin's own Reusable Booster System.
"We are committed to developing safe and affordable commercial human space flight"
Blue Origin was founded by Amazon's Jeff Bezos in 2000. Work already completed under the company's New Shepard programme includes test flights of a sub-orbital vehicle as far back as 2006. Designed to be reusable, the Goddard vehicle, pictured below, took off and landed vertically.
*Total funding given in round two of Nasa's Commercial Crew Development programme (CCDev).
Space shuttle makes final landing
The Atlantis shuttle lands at the Kennedy Space Center in Florida, bringing a close to Nasa's 30-year orbiter programme.
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Drones bounce back from collisions
Researchers in the US copy bird and bat wings to build a drone that can rebound and recover from mid-air collisions.
Tuesday's devastating attacks in Brussels show IS's European network is still at large, despite a year of intensive efforts by security forces to close it down.
Scientists are debating whether it's possible to harness the power of gravity for interstellar space travel.
The four-year-old boy who has become the centre of a controversy between India and Pakistan - and between his father and mother.
Why, almost 60 years after he first appeared in the Daily Mirror, is a layabout lout from north-east England still so loved around the world?