Announcement of the discovery of a 3.7-billion-year-old fossil in Greenland could mean that life on Earth started much earlier than previously thought.
Get the story behind the uprising that propelled the Constitutional Convention to form a stronger national government.
Find out more about the self-made millionaire who served as the driving force behind the federal agency and its first director.
Look back at the controversial decision to give Pluto the pink slip and shrink the solar system from nine planets to eight.
Read the bizarre history of the first Olympic marathons.
A new study says that tree rings bearing evidence of intense solar storms could allow archaeologists to pinpoint the exact dates of historical events.
Archaeologists thought they had found a massive stone monument buried near Stonehenge. When they excavated “Superhenge,” however, they uncovered something completely different.
