This Friday, all seven of the other planets in our solar system will be visible in the night sky. This rare celestial event, ...

This Friday, all seven of the other planets in our solar system will be visible in the night sky. This rare celestial event, ...

If you gaze upward tonight after sunset, you might catch the six-planet parade, with Mars, Jupiter, and Uranus in the southeastern sky and Venus, Saturn, and Neptune in the southwest. Mercury will ...

If all goes according to plan, the Athena lander will touch down near the moon's south pole on or around March 6.

One of my favorite things about living in Arizona is stepping out on my back patio or my driveway and seeing a clear sky full ...