A super-Earth planet that dips in and out of its star's habitable zone has been discovered just 19.7 light-years away.

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

Long ago, a planetary object eight times the mass of Jupiter may have once visited the solar system and altered […] The post ...

Found by Dr Michael Cretignier of the University of Oxford, the planet has a mass six times greater than Earth's and orbits ...

An exoplanet is a planet outside our solar system that usually orbits a star in our galaxy. More than 7,000 have been found ...

It's responsible for the orbits of the planets and their satellites, but there are other forces that have shaped our planetary neighborhood. A new paper discusses how recoiling ice from comets can ...

Scientists have discovered a “super-Earth” planet that may have conditions suitable for life. The planet is outside our solar ...

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

The exoplanet, which has been named HD 20794 d, orbits in the ‘habitable zone’ of a nearby star similar to our sun.

to form a visually spectacular alignment is known as a ‘planet parade’. Because of their orbits and our perspective from Earth, the planets appear to be grouped together even if they may not ...

Researchers say there’s a 1.3 percent chance that the space rock 2024 YR4 could strike our planet — but not until December ...

Tonight and throughout January, stargazers can see a planetary alignment in the night sky or what some are calling a ...