September 11, 2001 was one of the darkest days in modern American history. In a series of coordinated terrorist attacks, carried out by al-Qaeda, hijacked commercial planes were turned into deadly ...

In a new study published in Science, researchers analyzed the impacts of free-roaming bison in Yellowstone National Park. Thanks to decades of conservation efforts, the park’s bison population has ...

In 1798, a British sea captain spotted a speck of land while sailing in the South Pacific Ocean. He dubbed it “Pleasant Island.” But today, the island is known as Nauru. It’s the third-smallest ...

The mystery of Cicada 3301 began with an Internet message posted by a user named 3301: “Hello. We are looking for highly intelligent individuals. To find them, we have devised a test. There is a ...

In 1913, a massive blizzard that became known as the “White Hurricane” swept across the Great Lakes. A dozen ships sank in the storm, including a 529-foot Canadian freighter called the S.S. James ...