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.

Space The Vera C. Rubin Observatory is about to totally transform astronomy With the ability to scan the entire southern night sky every three days, the huge Vera C. Rubin Observatory could be ...

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 ...