50 Years Ago: Pioneer 10 Launches to Explore Jupiter

50th anniversary of Pioneer 10: The quarter-ton, car-sized probe was NASA's first foray into the outer solar system, revolutionizing our picture of the gas giant Jupiter.

Scientists uncover the largest crater on Earth under 100,000 years old

Today marks 50 years since Pioneer 10 launched. It was first spacecraft to traverse the asteroid belt and fly by Jupiter.