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 ...

Learn how to make a solar system in Little Alchemy 2 with this simple guide, including steps, alternate recipes, and helpful tips.

The telescope is part of a cluster of four observatories that include two in Hawaii and one in South Africa, whose job is to do exactly what the Chile telescope did: scan the skies for interstellar ...