Never-before-seen temperature and ion density measurements reveal that the effect of Jupiter's moons on its aurora are more complicated than scientists thought.

A spot of early morning astronomy anyone?

Read today's free daily Aquarius horoscope to see what's in store for you including predictions on love, romance, health, happiness, career, success and more ...

For centuries since the Sun was declared the center of the solar system in the 16th century, society held the belief that any object orbiting the bright star would be considered a planet. From Mercury ...