More than 2,500 alien plant species could find suitable conditions in the Arctic, especially in northern Norway and Svalbard.

Online forums, social media platforms, and UFO communities seized on Barack Obama's words, interpreting them as anything from a slip of the tongue to a deliberate signal.

Democratic candidates have notched a series of wins in recent special elections — but a new AP-NORC poll finds views of the ...

The Washington Post’s essential guide to power and influence in D.C.

Yosemite National Park will not require reservations to enter in 2026, as the National Park Service determined that a season-wide reservation system is not the most effective approach for managing ...