A newly processed image from NASA’s Galileo spacecraft shows Europa’s breathtaking beauty and tortured surface in greater detail than ever before.
Here's your invitation to view a spectacular close conjunction of the sky's two brightest planets, Venus and Jupiter, before dawn on Monday morning.
Complete guide to Friday night's triple shadow transit of Jupiter's moons and a remarkable "pre-game" show of mutual events. Cross your fingers and hope that Friday January 23rd will be clear. That night observers from western Europe to the Americas will witness a rare triple shadow transit of three of Jupiter's moons — Io,...
If you rise before dawn on Monday, August 18th, you'll be rewarded with the sight of the closest planet pairing of the year — and not just any planets, but the two brightest ones: Venus and Jupiter.