NASA officials said what Juno spotted was 'the most powerful volcanic event ever recorded on the most volcanic world in our ...

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but with a telescope you can spot Neptune and Uranus.

Six planets are part of the alignment, which will last until Feb. 18. Mercury will join the alignment later in the month.

Hubble Space Telescope imagery created an HD look at the gas giant planet Jupiter. Credit: NASA Goddard Space Flight Center ...

Four planets will be widely visible to the naked eye through part of February, but calling them a 'planetary alignment' may not be the full picture.

Take advantage of a special 6-7 planet alignment from Earth's perspective. Planets 'line up' in the skies over California in ...

The four-planet lineup that began in January concludes by mid- to late February, as Saturn sinks increasingly lower in the sky each night after sunset, according to NASA. While Mercury will briefly ...

Like a celestial parade across the cosmos, five bright planets are lighting up the night sky and visible with the naked eye ...

"This is the most powerful volcanic event ever recorded on the most volcanic world in our solar system — so that's really ...

Explore Ceres, the largest asteroid in our solar system, and discover its remarkable ancient ocean and ice-rich crust.

Tonight kicks off great week of star gazing in Pennsylvania, with the full moon rising next to Venus and a rare planetary ...