Venus, Jupiter, and Mars dominate the sky. Catch your last views of Saturn as early in the month, the Moon passes in front of ...

Europa Clipper - one of the most advanced spacecraft ever sent to another planet - aims to explore Jupiter's icy moon ...

Loki Patera is 202 kilometres (126 mi) in diameter, covers 20,000 sq km (7,700 sq mi), and was the largest volcanic feature found on Io until these new observations revealed the hot spot in the south ...

Ganymede crosses the disk Jan. 27. East Coast viewers may catch the beginning of the transit at sunset. The moon exits starting ... a global food disaster. The map below portrays the sky as ...

Venus appears low in the evening sky, guiding us to Saturn. Jupiter makes an attractive sight below the Hyades and Mars remains a fine sight.

The moon is so volcanic because of tidal forces caused by gravitational interactions with Jupiter and its other large moons, Europa and Ganymede ... scientists to map Io’s magnetic field ...

Mercury is the closest planet to the sun, and the smallest in our solar system, only slightly larger than Earth's Moon ... this was the young Mars. Maps of Mars are like storybooks, you ...

On Feb. 24, from west to east, you can see Mercury, Saturn, Neptune, Venus, Uranus, Jupiter and Mars, all spanning 117.5°, ...

Southwest Research Institute (SwRI) has partnered with the Carnegie Institution for Science to perform laboratory experiments that recreate the conditions of Saturn's moon Titan in a tiny vial.

Skywatchers on Thursday evening, Feb. 6, will notice an eye-catching pairing-off between two of the brightest objects in the ...

shifts from half-full to a crescent and reaches peak brightness just after February’s full moon. Jupiter: Second brightest in the east, its four moons—Ganymede, Callisto, Europa, and Io—are ...

Two Grand Canyon-size features on the far side of the moon were likely formed in about 10 minutes after an unknown object ...