When will artificial molecular machines start working for us?

Physicist Richard Feynman in his famous 1959 talk, "Plenty of Room at the Bottom," described the precise control at the atomic level promised by molecular machines of the future. More than 50 years later, synthetic molecular ...

Forget exomoons. Let’s talk exorings

In an article earlier this month, I discussed the potential for discovering moons orbiting extrasolar planets. I’d used an image of an exoplant system with rings, prompting one reader to ask if those would be possible ...

No new contact with stranded Mars probe

The European Space Agency (ESA) said on Friday it had been unable to establish a new link with Russia's stricken Mars probe but added that the craft's orbit seemed to have become more stable.

UK govt to announce new cyber security strategy

The government is set to announce new measures to tackle cyber crime on Friday as Britain's internet and electronic communications network comes under increased attack from hackers and foreign intelligence agencies.

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