Lost in the Med: Pacific grey whale ventures far from home

A young grey whale has been sighted off the southern French coast in recent days, lost in the Mediterranean and trying unsuccessfully to make it back to its natural habitat—the northern Pacific—the national network for ...

Tropical lakes may emit more methane

Methane is not the most abundant greenhouse gas in our atmosphere, but it is among the most potent. Roughly a quarter of global methane emissions come from natural sources, and freshwater ecosystems are the largest source ...

Power outages linger for millions as another icy storm looms

Utility crews raced Wednesday to restore power to nearly 3.4 million customers around the U.S. who were still without electricity or heat in the aftermath of a deadly winter storm while another blast of ice and snow threatened ...

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