March 26, 2015; 3:17 PM ET
Wintry conditions and cold will return to the Philadelphia area through Sunday morning. more >
Thunderstorms this evening
Rises at 6:55 AM with 12:24 of sunlight, then sets at 7:19 PM
Rises at 11:33 AM with 14:36 of moolight, then sets at 2:09 AM
Space-weather mission sets sights on a balancing point between the Earth and the sun.
The moon has long been viewed as a crucial component in creating an environment suitable for the evolution of complex life on Earth, but a number of scientific results in recent years have shown that perhaps our planet doesn't need the moon as much as we have thought.
From a quiet perch above a huge and threatening storm is a hauntingly beautiful view.
The launch of NASA's newest Earth-gazing satellite will have to wait another day due to high winds that made launch too risky Thursday (Jan. 29).