Extensive evidence, including global temperature and sea ice data, shows Earth's climate is changing due to human activity.

Friday marks 166 years since Oregon was granted statehood and became the Union’s 33rd state on Feb. 14, 1859. The Oregon Historical Society typically offers free admission in honor of the holiday, but ...

Valentine's Day has long been celebrated as a day of romance filled with red roses, heart-shaped candies and chocolate boxes.