Visitor from a Distant Sun: Unpacking the Mystery of Comet 3I/ATLAS

Discover Comet 3I/ATLAS, the third known interstellar visitor to our solar system! Learn about its discovery, trajectory, size, and how NASA is studying it. Get answers to all your FAQs about this mysterious comet from deep space.

How New Horizons Used Ancient Stars to Pinpoint Itself in the Cosmic Void

Discover how NASA’s New Horizons made history with the first deep-space stellar parallax navigation test! See how it pinpointed its location 438 million miles away using star shifts (Proxima Centauri & Wolf 359) & why this revolutionizes future interstellar missions.