In August 2006, the International Astronomical Union made the controversial, but correct, decision to demote Pluto from its ...

Take advantage of a special 6-7 planet alignment from Earth's perspective. Planets 'line up' in the skies over California in ...

Each planet in our solar system is given a unique, humorous catchphrase that reflects its personality and role. From ...

Why is Pluto no longer a planet? Discover the real reason behind Pluto’s reclassification as a dwarf planet and the science that led to this change.

Like a celestial parade across the cosmos, five bright planets are lighting up the night sky and visible with the naked eye ...

These are known as hypervelocity stars, with some moving faster than the escape velocity of the Milky Way of around 600 kilometers (373 miles) per second. There is another star that is almost as ...

Using 20 years of data from the Hubble Space Telescope astronomers have discovered that turbulent stars could be corrupting ...

To see the whole shebang, you’ll need a pretty unobstructed view of the horizon in an area with relatively little light ...

Multiple planets will appear to be aligned in the night sky in a parade of planets throughout February, astronomers say, an ...

Keep your eye on the ball” is a motto for many athletes—and for astronomers trying to find Earth-threatening space rocks ...

Around the time of your romantic dinner, head outside and look to the southwest to spot the super brilliant planet in the night sky ...