Skywatchers across the globe are in for a spectacular pre-dawn show on Thursday, September 19, as the waning crescent moon aligns closely with Venus and the bright star Regulus. The rare sight, ...

Watch the crescent moon at dusk this week, and you'll see it mount to Venus as if climbing an invisible stairway. Up, up, up she goes, moving a little more than one outstretched fist a night as it ...

Venus will pass between the Earth and sun on Saturday during what's called an inferior conjunction. But don't plan on seeing the linkup. The sight is extremely difficult to spot without special ...