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Wreckage believed to be from the 2011 Japanese tsunami is washing up thousands of miles away in Alaska. The debris isn't just unsightly — it poses environmental worries for the landscape and animals. One conservationist says the problem may be worse than the Exxon Valdez oil spill.

You may find it mesmerizing as cold air covers much of the nation in a new video visualization from the National Oceanic and Atmospheric Administration.

The magnitude 7.5 earthquake hit late Friday night, but warnings were canceled after it appeared the tsunami no longer posed a threat.

We’re well past this year’s dry Summer, and into late Autumn – but the changing of the season doesn't fix the drought. Despite recent moisture, the entire…

The National Oceanic and Atmospheric Administration has released its 2012 US winter outlook. It says the western half of the US could be in for a dryer…

The agency has been keeping such records since 1880. According to its measurements, the "average global temperature across land and ocean surfaces" was 1.21 degrees Fahrenheit above the 20th Century average for September.

Only the summers of 2011 and 1936 have been hotter.

An estimated 7.6-magnitude earthquake in Costa Rica raised alerts for the Pacific coasts of Costa Rica, Panama, Nicaragua, El Salvador, Honduras, Mexico, Colombia, Ecuador, Guatemala and Peru.

NOAA is now predicting 12 to 17 named storms and five to eight hurricanes.

There's never been a hotter month in records going back to 1895. The average temperature across the lower 48 states was 77.6 degrees.