When astronomers found a large world farther out than Pluto, it became one of the final nails in the coffin of our ninth ...

A planetary alignment, or a "planet parade" according to the internet, will grace our night sky just after dusk, according to SkyatNightMagazine. We'll see six planets in the first part of February – ...

A U.S. scientist searching for a civilization across 7 Earth clones circling the red dwarf star TRAPPIST-1 says its own alien ...

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

Astronomers have made a groundbreaking discovery in the WASP-132 system, finding two new planets that defy previous ...

Tonight, stargazers can see a rare "planet parade" as six planets form a visible arc: Mars, Jupiter, Uranus, Neptune, Saturn, ...

THE best time to view the rare ‘planet parade’ will be tonight, according to experts. Mars, Jupiter, Uranus, Neptune, Saturn ...

The solar system consists of 8 planets, including Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. Each planet has its own unique characteristics, such as size, composition ...

However, this year a powerful new telescope is coming online that could prove once and for all that there really is a ninth planet in our Solar System. The same year that Pluto was ignominiously ...

"In 2027, the main science phase of the mission will begin. The spacecraft’s suite of science instruments will reveal the invisible about the solar system’s most mysterious planet, to better ...

NASA first thought that Eris was bigger than Pluto, and they originally described Eris as the 10th planet in the solar system. But the International Astronomical Union, or IAU, wasn't too thrilled ...