Geological studies have warned for decades that the area of Snohomish County, where Oso is located, was at risk for landslides.
Researchers say they've discovered that gravitational waves rippled through the fabric of space-time in the first sliver of a second after the Big Bang — the first direct evidence for a mysterious, ultrarapid expansion at the dawn of the universe.
The United States announced its intention on Friday of relinquishing its remaining control of the Internet.
A federal judge has dismissed a Federal Aviation Administration fine against a man who flew a drone near the University of Virginia to film a commercial video in 2011.
Arizona Gov. Jan Brewer says she has vetoed controversial legislation that would have allowed business owners in her state to refuse to serve gays and others if those customers somehow offended the proprietors' religious beliefs.
Dr. Seuss's personal hat collection is on tour for the first time in history. An exhibit called Hats Off to Dr. Seuss!, which debuted at the New York Public Library in January last year, will stop in six states over the next seven months.
The tusk from a mammoth that lived 16,000 years ago in the Seattle area unearthed earlier this week appears to be the largest, most intact ever found in the region.
The wayward jet stream could account for the persistently severe winter weather this year in the U.S. and Britain, as well as California's long drought.
Researchers in Oregon say they've found evidence suggesting that Chinook salmon are born with an "inherited magnetic map" that helps them navigate across thousands of miles of ocean waters and rivers.
The glacier that's blamed for producing the iceberg that sunk the Titanic has been pushing much more ice into the ocean over the past two years, according to a new study published Monday.