But, just how realistic would it be for interstellar travelers to have inaccurate maps, leading to missing or hidden planets ... this instability to make entire planets disappear.

Beyond Neptune lies the Kuiper Belt, a vast expanse of icy bodies that may hold clues to the solar system’s formation. These ...

That’s the definition of a hidden gem on Netflix since the streaming ... and he’s willing to take some extreme measures and make some very shady deals to ensure that he remains the top salesman.

Unlike typical trans-Neptunian objects (TNOs), ETNOs follow highly elongated, distant paths, remaining untouched by the gravitational pull of the known planets. The discovery of the dwarf planet Sedna ...

Four planets will be widely visible to the naked eye through part of February, but calling them a 'planetary alignment' may not be the full picture.

Temperamental' stars that brighten and dim over a matter of hours or days may be distorting our view of thousands of distant planets, suggests a new study.

There's a lot more to Earth than meets the eye. Far from being just a roundish rock barreling through space, our planet is composed of several layers held together by intense forces of gravity.

Stargazers will be treated to a rare treat this month when six planets will "align" in the night sky for an eye-catching planet parade. Planets always appear along a line known as the ecliptic ...

Stargazers will be treated to a rare treat this month when six planets will "align" in the night sky for an eye-catching planet parade. Planets always appear along a line known as the ecliptic ...

All of our solar system’s planets are lining up to parade through the night sky at once. This extraordinary celestial event will see the sky scattered with seven visible planets in what is known ...

The most convincing argument for Planet Nine is based on the extremely eccentric orbital motions of Extreme Trans-Neptunian Objects (ETNOs). These remote objects show a gravitational behavior that ...