Stargazers in Ireland will have the opportunity to witness 'one of the most spectacular events' of the year this weekend.

Jupiter's moon Io stands alone among the solar system's moons. It has more than 400 active volcanoes, and its surface is home ...

Look to the western sky in the hours preceding dawn on Nov. 6 to see the moon shine close to the constellation Taurus and the ...

In the eastern morning sky, Venus is being swallowed by the rising sun’s glare. Taking Venus’s place this month is Arcturus, ...

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

The Earth's Moon is its only one, but scientists recently discovered a new celestial body that will be staying near the planet for the next several decades.

Jupiter will reach its highest point in the sky around dawn, when, from mid-northern latitudes, it will appear about 20 ...

In the eastern morning sky, Venus is being swallowed by the rising sun’s glare. Taking Venus’s place this month is Arcturus, the brilliant star in kite-shaped Bootes, the herdsman. Meanwhile, Jupiter ...

Jupiter native Kellie Gerardi became the 90th woman to visit ... Delta,” to her daughter Delta Victoria — named after the ...

But as researchers have discovered more moonlike objects in our solar system—including 128 moons orbiting Saturn just this ...

A full moon on Halloween is a rare event that only occurs every 18 to 19 years. The November Beaver Moon will also be a supermoon, appearing slightly larger and brighter than a typical full moon.