SpaceX delays next launch after blast

SpaceX said Monday it has delayed by a couple of months the return to flight of its Falcon 9 rocket, following an explosion on the way to the space station in June.

Europe postpones launch of first 'space plane'

Europe said Friday it was postponing the launch next month of its first-ever "space plane" to give scientists time to finetune the mission's flight plan.

Video: 100 years of gravity

One hundred years ago this month, observations performed during a total solar eclipse proved for the first time the gravitational bending of light predicted by Albert Einstein's new theory of gravity, general relativity. ...

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