NASA has just made a groundbreaking discovery—a new planet beyond Neptune that wasn’t there before! This mysterious find ...

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but with a telescope you can spot Neptune and Uranus.

According to Robin Scagell, vice-president of the Society for Popular Astronomy, this planetary gathering is among the best ...

Astronomers from MIT, the University of Liège in Belgium, and other institutions have stumbled upon a truly bizarre planet—an ...

Astronomers at the NASA Goddard Space Flight Center may have discovered a star hurtling through the Milky Way with a planet ...

The system is believed to be traveling at least 1.2 million miles per hour (1.93 million kilometers per hour), according to a ...

This is the last time the seven planets will appear together in the night sky until 2040. Here's when it's happening – and ...

The article humorously ranks planets based on wealth, characterizing Jupiter as the richest due to its massive size and possessions, and Mars as a str ...

If you missed seeing the alignment of six planets in the sky in January, don't worry. Another one is coming up in February.

Notice how Mercury, Saturn and Neptune are a bit more in line with the sun. We can only see those for the first hour or two ...