NASA Voyager 1 probe discovers Saturn’s moon, Epimetheus. Saturn would be the last planet Voyager 1 would visit before beginning its ongoing journey out of the solar system. The probe entered ...

"The James Webb Space Telescope has been truly revolutionary- it is now hard to imagine what life was like without it!" ...

A planet-sized visitor possibly visited the solar system billions of years ago and permanently changed the cosmic neighbourhood by warping the orbital path of four outer planets of the system, a ...

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

The orbits of Jupiter, Saturn, Uranus and Neptune may have been forever changed by an enormous object that whizzed through ...

Six of our cosmic neighbors are expected to line up across the night sky tonight, in what has been dubbed a "planetary parade ...

The enormous visitor to our solar system may have been about 8 times the mass of Jupiter, and come nearly as close to the sun ...

A new study, currently under review for publication, suggests that an ancient cosmic visitor might have significantly altered the orbits of our solar system's giant planets. Scientists propose that ...

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

Earth's moon might have once had stunning rings like Saturn, but simulations suggest solar radiation, gravity, and planetary ...

A planet parade like the one beginning tonight is quite uncommon, occurring once every 10-20 years. Here are the planets you ...

A parade of planets occurs when four or more planets appear to line up from our perspective on Earth, though their exact alignment in the solar system is ... Neptune, Saturn and Uranus visible ...