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

Finding a world like Earth elsewhere in the universe might mean looking for the right kind of solar system. A new discovery ...

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

Six planets, Mars, Jupiter, Uranus, Neptune, Venus and Saturn can be seen in the night sky. You'll need binoculars or a ...

Planetary alignments aren't rare, but they can be when they involve six of the eight planets in our solar system.

Planetary Parade A rare alignment of Venus, Saturn, Jupiter, Mars, Uranus, and Neptune is visible this month and into early ...

Four planets will be in the parade in January, while seven will align in February. Here's how to see the events.

Starting at 12:30 p.m. ET (1730 GMT) on Saturday (Jan. 25), astrophysicist Gianluca Masi of the Virtual Telescope Project ...

In case anyone missed the January planetary alignment, two more are expected to be seen in the night sky in February, with ...

Throughout much of January and February, Venus, Mars, Jupiter, Saturn, Uranus and Neptune will be visible splayed out in a long arc across the heavens, with Venus, Mars, Jupiter and Saturn being ...

On Tuesday evening (January 21), six planets will line up in the night's sky – Mars, Jupiter, Neptune, Saturn, Uranus and Venus. Best viewed in clear skies free of cloud, the individual ...

Heads up! Four planets are visible in the evening sky this month, and another two planets can be found with a little help.