There are spoilers ahead. You might want to solve today's puzzle before reading further! Hi Hi!Const

The rise in methane concentration in the atmosphere may reflect the growth of agriculture to feed As

Some fracking operations in western Canada are producing a surprising—and for many Canadians, troubl

This story was co-published with The Weather Channel as part of Collateral, a series on climate, dat

NEW YORK − For Angelina Jolie, the hardest part of playing opera star Maria Callas wasn’t the seven

Hidden beneath Boston lies a vast network of aging iron and steel pipes that leak natural gas from t

Many Americans take a solid internet connection for granted. Many others, however, are living in are

People used to call Adams a tomboy. His mom never liked that, though he's always been adventurous.

WASHINGTON (AP) — She’s an Iraq War combat veteran and sexual assault survivor who has advocated for

U.S. Election-Year Pressures Might Sink Carbon Cap Legislation, Kerry Says (Bloomberg)U.S. lawmakers

The 35-year-old mother of four fatally shot through a door in Florida after a dispute with a neighbo

Like a supertanker unable to make quick turns, production from tar sands in the Canadian oil patch c

A sudden pause in federal assistance is sowing disarray and outrage across the country, throwing int

Scientists Get Another Day to Study Gulf Spill Cap (AP)Scientists got an extra day to evaluate wheth

NPR's Mary Louise Kelly talks with professor of medicine at Harvard Lisa Iezzoni about a new study i