Scientists have detected a hidden alien planet by examining the orbits of the known worlds in the star system, known as Kepler-139. The newfound exoplanet, called Kepler-139f, is a gigantic world ...

The search for an unknown planet in our solar system has inspired astronomers for more than a century. Now, a recent study suggests a potential new candidate, which the paper’s authors have dubbed ...

An unusual object orbiting a rapidly spinning star might be a new phenomenon in the universe. By Jonathan O’Callaghan Earth isn’t a perfect sphere. The rotation of our planet causes it to bulge ever ...

A new paper led by a York University professor and published today in Nature Astronomy introduces a simple theoretical framework to describe the evolution of the coupled interior–atmosphere system of ...

How many dwarf planets are there in our solar system? The recent discovery of 2017 OF201 makes the tally anywhere between five and 18, plus hundreds of potentially undiscovered ones, depending on whom ...