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

"With an orbital period of 570 days, it is a relatively cold gas giant planet," said Guðmundur Stefánsson of the University of Amsterdam in a statement. This orbital period places it a little closer ...

There are eight planets in the solar system, and each travels on its own path around the sun. But of these planets, which is nearest to the sun? Mercury is a strange little world. There are some ...

WASP-127b's diameter is about 30% larger than Jupiter, our solar system's largest planet. But its mass is only about 16% that ...

Dichotomy of Hemispheres, The Red Planet has disparity between its northern and southern hemispheres. NASA’s Mars ...

Every couple of days it will scan the night sky with the largest camera in ... notion that there is a ninth planet lurking out in the darkness of our Solar System beyong Neptune.

For all the biggest celestial events of 2025 ... three planets to a grand parade showcasing all the solar system's major planets. The parade of planets will begin to take shape on Friday, Jan ...

Scheduled to become operational in May, this state-of-the-art facility is equipped with the largest digital ... “Directly discovering a ‘Planet Nine’ in our solar system might start with ...

And then, you know, some of the biggest questions about the cosmos ... the person who’s most convinced that there is a new planet in the solar system, is also responsible for killing Pluto ...