During Cassini's close pass of Titan on April 21-22, Titan's gravity will bend Cassini's orbit around Saturn, shrinking it slightly, so that instead of passing just outside the rings, the spacecraft will begin its Grand Finale dives just inside the rings. Wow!
Asteroid 2014 JO25 will pass safely at 4.6 times the moon's distance. It's 60 times the diameter of the asteroid that penetrated the atmosphere over Chelyabinsk, Russia in 2013. People with small telescopes might be able to spot it.
Aldebaran represents the fiery red eye of the Bull in Taurus - and the Pleaides, or Seven Sisters is one of our sky's most recognizable star clusters. Learn to see them both tonight, using the moon as a guide.