Scientists believe that two asteroids might be fragments of long-lost "planetary embryos" from the early solar system.

All seven of the other planets in our solar system are about to become visible at once in a great planetary alignment – ...

"This shows that the planet has complex weather patterns just like Earth and other planets of our own System ... and the radius of planets outside the Solar System. Today, telescopes like ...

The exoplanet – a planet outside our solar system – has a mass six times greater than that of Earth, and orbits in the ...

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

The planetary parade in February 2025 will see five bright planets in clear view and a special alignment of Mercury and ...

Our Solar System is a carefully balanced celestial dance held together by a virtually perfect balance of gravity and inertia.

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...

The James Webb Space Telescope has given astronomers groundbreaking insight into a new type of planet described as unlike ...

The exciting discovery just 20 light-years away from Earth could play a 'pivotal role' in the search for life on other ...