Turn a telescope to the eastern sky in the hours following midnight on Nov. 5 to see two colossal shadows darken the cloud ...

Looking for a sky event this week? Check out our full Sky This Week column. October 24: The Moon and Antares U.S. West Coast ...

Callisto's shadow will follow along Jupiter's south-south temperate belt from 9:09 p.m. to 12:54 a.m. tonight Feb. 22-23, 2014. A smaller telescope magnifying around 60x or higher will show it. Credit ...

HOUSTON—NASA’s Juno mission spacecraft swooped close to Jupiter’s swirling cloud tops for a fourth time early Feb. 2 with all eight of its science instruments and cameras operating, including the back ...

Researchers using a technique known as “lucky imaging” with the Gemini North telescope on Hawaii’s Maunakea have collected some of the highest resolution images of Jupiter ever obtained from the ...

Imagine a Slushee TM composed of ammonia and water encased in a hard shell of water ice. Now picture these ice-encrusted slushballs, dubbed “mushballs,” raining down like hailstones during a ...

Stonehenge’s central stone, known as the Altar Stone, may have had Scottish and not Welsh origins, researchers say. The finding suggests that Late Neolithic groups had long-distance connections, Bruce ...