By unlocking the giant planet’s secrets, NASA hopes to learn more about how the solar system formed.
Even as millions of Nazi troops massed on his border, Soviet leader Joseph Stalin remained convinced that Adolf Hitler wouldn’t betray him.
Meet eight abolitionists who helped fugitive slaves escape to freedom.
Explore some surprising facts about history’s worst nuclear accident.
Look back at the deadliest earthquake ever to strike the United States.
From the Dust Bowl to the BP oil spill, explore some of the most notorious environmental disasters of the last century.
Archeologists in Italy have unearthed a 500-pound sandstone slab that may help them decipher the lost language and culture of a mysterious pre-Roman people.
CT scan images suggest that as one assailant slit Ramses III’s throat, another severed his right big toe.
