The new moon of January will be at 7:36 a.m. Eastern Time on Jan. 29, according to the U.S. Naval Observatory, and two days ...

Such interactions could elongate or tilt the orbits of moons, ultimately forcing them to cross paths and collide. One example of this resonance phenomenon is Saturn’s moon Rhea, which orbits ...

A planetary conjunction, also known as a planetary parade, is set to cross the night skies this week, offering a rare ...