A large number of mysterious droneshave been reported flying over parts of New Jersey in recent week

When you look out across New York City from the top of the Empire State Building, thousands of empty

The idea seems simple enough.Preserve all the rituals of smoking: Light up a cigarette, inhale the s

This story was updated Oct. 23 with an announcement by 12 major cities committing to zero-emissions

Israel on Monday began allowing thousands of Palestinians to return to the heavily destroyed north o

The social cost of carbon was an arcane but important tool in the federal climate toolbox until Pres

By Jordan Flaherty, Facing SouthAs BP’s deepwater well continues to discharge oil into the Gulf, the

Reporting from Cochabamba, BoliviaAfter three days of arduous debate, discussion and cultural meetin

SINGAPORE — A flight from Singapore to Wuhan on Dec 10 returned to Changi Airport more than four hou

A rush study on the reliability of the nation’s electric grid ordered by Secretary of Energy Rick Pe

The Senate voted early Saturday to approve a major overhaul of the U.S. tax code that critics say wo

Washington — The Supreme Court on Thursday ruled that race-conscious admission policies of Harvard C

The last couple of years have been terrific for semiconductor stocks. Well, most semiconductor stock

Washington — The Defense Department memo on Iran — at the heart of the now-public audio recording th

Driven largely by a boom in solar power, renewable energy expansion has hit record-breaking totals a