Hot Jupiters are giant planets initially known to orbit alone close to their star. During their migration towards their star, these planets were thought to accrete or eject any other planets present.

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

Jupiter's Great Red Spot storm, which usually appears dark-red, can be seen shining a lurid blue color in an ultraviolet ...

Amazing views of Jupiter over the years via the Hubble Space Telescope. The moons of Io, Ganymede and hazy Uranus can be ...

Scientists suggest an interstellar visitor may have altered planetary orbits in our Solar System, reshaping trajectories of ...

"There are still many things related to planetary formation and the early evolution of young planetary systems that we don't ...

Stargazers will be treated to a rare seven-planet alignment in February. This is what scientists hope to learn.

Giant planets orbiting close to their stars were thought to boot other planets out of their star system on the way in, but ...

Mars, Jupiter, Venus, Saturn, Uranus and Neptune are visible this month in a 'planetary parade'. Dr Becky Smethurst at the ...

Venus and Saturn currently set in the west by roughly 8:30 p.m., while Jupiter sets around 4:30 a.m. and Mars is visible all ...

In Earth's upper atmosphere, a fast-moving band of air called the jet stream blows with winds of more than 275 miles (442 km) ...

Venus, Mars, Jupiter, Saturn, Neptune and Uranus will be visible over Britain from Tuesday evening and occurs just once every ...