The two exoplanets, or planets outside of our solar system, orbit a star called TOI-1453, which is slightly cooler and ...

As a result, thousands of smaller celestial bodies in the outer solar system ... elongated orbits. Until now, there was no explanation for this phenomenon. "The beauty of this model lies in ...

The solar system was literally turning ... The key to testing the Nice model is mapmaking. Charting the composition and orbits of distant objects should reveal whether and how the planets cast ...

the researchers behind the new study used information from the orbits of comets and gravitational forces from within and beyond our solar system to build a model of the Oort cloud's structure.

Astronomers have sent artificial satellites (satellites that are manmade) to orbit several Solar System objects, including Jupiter, the asteroid Vesta and Mars. Polar orbits take the satellites ...

For a few evenings around 28 February, every planet in the solar system will be visible in the night sky, thanks to a rare great planetary alignment. Here's how to make sure you don't miss this ...

The James Webb Space Telescope has captured its first direct images of carbon dioxide in a planet outside the solar system in HR 8799, a multiplanet system 130 light-years away that has long been a ...

The Sun is the largest object in the Solar System. The Sun’s huge gravitational ... for example, Mercury orbits once every 88 Earth days, but Neptune orbits once every 165 Earth years For ...