A throbbing fireball lit up the night skies this week, conjuring images of an alien invasion. Experts, however, say the dramatic scene Tuesday evening over Kyushu and Shikoku in Western Japan was ...

Saturn's innermost moon, which resembles the Death Star from Star Wars, may be a "stealth" ocean world, according to new research. Mimas, which is the smallest and closest to Saturn of the ringed ...

May’s full moon — known as the flower moon — will reach 100% illumination at 11:56 a.m. EDT today, but the best time to enjoy it will be at moonrise this evening, which will occur during dusk.

In 2005, NASA's Cassini spacecraft first discovered towering plumes of water vapor erupting from the moon's frozen surface, for instance, and it was later theorized that these geysers come from a ...

Jupiter’s Moon Io Doesn’t Have An Ocean Of Lava, Scientists Say By Jamie Carter, Senior Contributor. ... An award-winning reporter writing about stargazing and the night sky.