Pluto was long considered our ninth planet, but the International Astronomical Union reclassified Pluto as a dwarf planet in ...

The spacecraft now almost tips upside down relative to Mars to give its radar the best view. The Mars Reconnaissance Orbiter ...

A fascinating glimpse into how a solar system like our own is born has been revealed with the detection of planet-forming ...

While for most people Pluto is the most distant planet in the Solar System, things get a lot more fuzzy once you pass Neptune ...

Let’s learn about Capella. It is the fourth brightest star we can see in Ellensburg. It is the brightest northerly star. It ...

How many dwarf planets are there in our solar system? The recent discovery of 2017 OF201 makes the tally anywhere between ...

The planets in order from the Sun are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. If you include the ...

This discovery marks the first known case of a compact planetary system with such a noticeable tilt between close planet ...

A MYSTERIOUS cosmic object has been spotted zooming through our solar system – and astronomers say it is only the third of ...

The object, a celestial body from another star system, was discovered on Tuesday by the University of Hawaii’s Asteroid Terrestrial-impact Last Alert System, or ATLAS, team. At this point, it remains ...

For years, scientists have been scanning the icy outskirts of our Solar System for an unknown massive planet. The ...

Celebrate the Fourth with the Fireworks Galaxy, then check out the Demon Star Algol and the Full Buck Moon in the sky this ...