Highly invasive and destructive freshwater mussels are threatening to make their way to the Pacific Northwest through decorative aquarium moss balls. Earlier this month, a wholesale aquarium company ...

WASHINGTON (AP) – The National Aquarium says it will close its Washington branch in the fall. Officials announced Thursday that renovations at the Department of Commerce building that the aquarium has ...

Amid plans for renovations at the federal office building that has long been its home, the National Aquarium said Thursday that it will close its Washington branch in September. The aquarium, which ...

The Seattle Aquarium offers visitors a whole new way to see Puget Sound beginning Friday, as it opens its newly remodeled Pier 59 entrance and the spectacular Window on Washington Waters. Window on ...

The Seattle Aquarium has a new resident making a splash. Ruby, a southern sea otter from Monterey Bay Aquarium, arrived in ...

The National Aquarium, established in 1873 and located in downtown’s 81-year-old Commerce Department building, will close its facility Sept. 30 because the building ...

TACOMA, Wash. — A baby sea lion toting an artificial kelp strip was filmed performing intricate rhythmic gymnastics-esque circles through the waters of an aquarium in Washington state. Although only 9 ...

WASHINGTON — Nani, the oldest bottlenose dolphin at the National Aquarium, in Baltimore, died Monday. She was 44 and had lived at the aquarium since 1990. The aquarium said in a statement on Tuesday ...