President Donald Trump has changed the name of Alaska's Denali back to Mount McKinley. It's a nod to President William ...

Understanding Permafrost and Its Global Distribution Permafrost, a layer of soil that remains frozen year-round, covers an ...

Wallen announced his “I’m the Problem” tour on Instagram. “Can’t wait for this one,” Wallen wrote. “This tour is named after ...

Israe has prevented thousands of Palestinians from returning to the northern Gaza Strip as it accused Hamas of violating a fragile ceasefire by changing the order of hostages it has released.