Discover interesting facts about how the moon formed, what it's made out of, and the many missions humans have launched to ...

Jupiter may have once been more than twice its current size, with a magnetic field 50 times stronger, say scientists who ...

As Titan leads the Moon Revolution, doubts grow and loyalties crack. Will the moons go too far in their quest for respect? Or will reason return before it’s too late? A galactic showdown ...

Scientific American spoke with the astronomer who has contributed to the discovery of two thirds of Saturn’s known moons ...

Our moon is a particularly unusual example of moons when it comes to planetary bodies. Though many other planets in the solar ...

Since March, Venus has been visible in the morning sky, just east of sunrise. But the planet's greatest elongation, when it ...

Between May 20 and 24, the moon, Saturn and Venus will meet in a mini 'planetary parade,' becoming visible in the northern ...

A recent study found that Jupiter was once twice the size that it is now, making it big enough to swallow up 2,000 Earths.

Today, it’s believed that Jupiter and Saturn, the largest planets, were the first to fully form, both within a few million ...

The moon will rise with Venus and the ice giant Neptune in the pre-dawn sky on Thursday, May 22.

For North Americans, this is an eye-catching sight, visible even from brightly lit cities.