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Science & Environment
The CST-100 is Boeing's entrant into the race to replace the shuttle as part of Nasa's Commercial Crew Development programme. Servicing the International Space Station is the main focus for the CST-100, although Boeing have said it may also be used for space tourism and for the space station planned by Bigelow Aerospace.
"We're focusing on keeping it simple"
The spacecraft is slightly wider than the Apollo capsule, with a base about 15ft across (4.5m). It will be re-usable for up to 10 missions and will be launched from either an Atlas V, Delta IV or a Falcon 9 rocket. The spacecraft will land using parachutes.
*Total funding given in rounds one and two of Nasa's Commercial Crew Development programme (CCDev).
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?