Giant laser from 'Star Trek' to be tested in fusion breakthrough

The breakthrough came in an impossibly small slice of time, less than it takes a beam of light to move an inch. In that tiny moment, nuclear fusion as an energy source went from far-away dream to reality. The world is now ...

Delhi's toxic haze 'fueled by political wrangling'

Ranked as the world's most polluted capital city for four consecutive years, Delhi's dual governance structure involving politically opposed parties has prevented its leaders from agreeing on how to deal with a steadily worsening ...

Gore announces fossil fuel emissions inventory at UN summit

A detailed inventory of the top known sources of greenhouse gas emitters launched by former U.S. Vice President Al Gore at the U.N. climate summit in Egypt on Wednesday found that the top 14 individual polluters are all gas ...

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