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

Though the planets are always “aligned,” seeing more than four in the sky is more uncommon. February’s lineup is a chance to ...

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From January to March, the night sky will host a spectacular parade of planets featuring Venus, Mars, Jupiter, Saturn, Uranus ...

It seems like it should be pretty easy to get to Mercury. The little rocky planet ... difficult to reach the innermost planet of our solar system—which makes it that much more impressive that ...

The BepiColombo spacecraft has sent back some incredibly detailed images of Mercury’s north pole. The snapshots were collected during its closest ever flyby of our solar system’s smallest planet.

ANOTHER, even rarer, ‘planet parade’ is set to grace skies very soon. For one night only, all seven other planets in the ...

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

This January and February, a rare planetary alignment featuring Venus, Mars, Jupiter, Saturn, Uranus, and Neptune will be visible, with Mercury joinin ...

Baker said that there are other astronomical events that may be more interesting than the parade of planets. Baker said Mars ...