Twelve New Moons Discovered Orbiting Jupiter
The moons were discovered serendipitously while astronomers hunted for the hypothetical Planet Nine.
What to Expect from the Five Retrogrades Coming Up Next Month
By the start of May, five planets—Mercury, Mars, Jupiter, Saturn, and Pluto—will be retrograde. That's a lot! Here's how to handle all the frustration life will be throwing your way.