Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Enceladus, a moon of Saturn ...

Hundreds of Hidden Asteroid Moons Found in Our Solar System ...

Far from the Sun’s heat, orbiting the outer planets of the solar system, are moons with oceans of liquid water beneath their frozen surfaces. Keith Cooper finds out how planetary scientists are ...

The Solar System may look orderly from a distance. Eight planets orbiting one star, ...

OK, WHAT I’m about to say may cause some distress. You remember how it was with Pluto? In 2006, the International Astronomical Union (IAU) voted to downgrade the much-loved ninth planet to a mere ...

A solar eclipse is a rare, visually striking phenomenon. The Moon passes between Earth and the Sun, temporarily hiding our star – a geometrical alignment spanning millions of miles. A partial solar ...

Astronomers recently detected a stray quasi-moon in our planet’s orbit, but it's hardly the first stowaway to hang out around Earth. Unlike the Earth's moon, quasi-moons are not gravitationally bound ...