Carl Sagan exploded onto the space scene, leaving a lasting legacy. Explore his contributions to the cosmos and how his life’s work continues to inspire future generations. Before his death in 1996, ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The late astronomer Carl Sagan has inspired scientists, astronauts and the world with his work ...

It was almost like a dispatch from another planet: the invitation to the young astronomer to leave Brooklyn and visit the lakes and gorges of upstate New York. "A letter shows up in my mailbox from ...