NASA’s New Horizons spacecraft has been used to demonstrate simple interstellar navigation by measuring the parallax of just ...

Here's everything you need to know to see the moon as it occults, or passes completely in front of, the bright planet Saturn tonight.

The effect of parallax, the shifting of nearer stars relative to those farther away as Earth travels around the Sun, is negligible — the nearest star, Proxima Centauri, only appears to move 0.77 ...

NASA’s New Horizons spacecraft has successfully demonstrated a revolutionary method for deep space navigation, as the probe ventured through the Kuiper Belt at a distance of more than 5.5 billion ...