The so-called 'planetesimal belts' are filled with tiny millimeter-sized particles created by collisions between comets.

"See To Believe uncovers the forgotten, mind-blowing facts that will leave you questioning everything. Follow wild stories of ...

Another possibility is that there is an unseen planet of at least six times the mass of Earth. What is certain is that there ...

Planet Nine", dubbed, has fascinated scientists for its ability to account for "anomalous" motions of objects located faraway ...

A powerful new tool comes online this year that could help astronomers locate the mysterious planet hiding somewhere beyond ...

These disks provide valuable insights into the formation and evolution of planetary systems, as they can indicate the presence of unseen planets and the dynamics of material within the disk.

In 2024, we had the best of the best astronomical events over the United States: northern lights visible multiple times from parts of the country that normally don’t see auroras, and the total ...

While Pluto was dropped from the solar system’s roster of planets in 2006, a much larger replacement might be on the way. Late last month, California Institute of Technology researchers released ...

These icy bodies in the Kuiper Belt seemed to be influenced by an unseen massive planet. The Kuiper Belt, a vast region of icy objects left over from the solar system’s formation, extends far ...

They are found between tens of AU and hundreds of AU from their star, and some of the belts are tilted or elongated, as though the gravity of an unseen planet or planets is pulling on them.

These planets will be spread out across a long arc but two unseen planets will be there as well. Uranus and Neptune, only visible through a telescope, will be part of the planetary alignment in ...