The King of the Planets teams up with an exceedingly narrow crescent moon for the last time this year in the evening sky on May 27.

Once a star reaches the end of its life stage and becomes a red giant, any chance for life is extinguished. This is also true for our Sun, which is expected to turn into a red giant in about five ...

Or, if you aren’t an early bird, you can catch Europa transiting at 10:18 p.m. EST Dec. 5. It can be hard to distinguish the moon once it passes in front of Jupiter, but you can watch the ...

Recent flybys of the fiery world refute a leading theory of its inner structure—and reveal how little is understood about ...

Europa, the superstar among Jupiter’s many moons One of Jupiter’s 95 known moons, Europa is almost the size of our own moon. It's encased in an ice sheet estimated to be 10 miles to 15 miles ...

The Moon passes 5° north of Jupiter at 9 A.M. EDT. Just six percent illuminated by this evening, you can try to spot the young crescent Moon hanging above the gas giant in the western sky after ...

Europa, one of the four large moons of Jupiter first seen by Galileo 414 years ago, may have a deep, salty, global ocean hidden beneath a thick crust of ice. Where there is water, there might be life.

Jupiter’s icy moon Europa is suspected of harboring a vast ocean that may be capable of supporting life. The $5-billion Europa Clipper spacecraft is the largest interplanetary probe ever built ...

NASA has launched its Europa Clipper mission to the icy moon of Jupiter. Thought to contain an underground ocean and potentially habitable environment, Europa has long been a tantalizing target.