John Casani spent more than half a century turning speculative ideas about distant worlds into working spacecraft that could survive the trip. His quiet influence at NASA’s Jet Propulsion Laboratory ...

Monroeville Public Library is holding a three-part children’s series on space, where participants learn fun facts about the sun, planets, stars and asteroid belt. The first session this month was ...

One year ago, NASA’s Voyager 2 probe became just the second human-made object in history to exit the solar system and officially enter interstellar space. Voyager 2 was launched on August 20, 1977—16 ...