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

A European-Japanese spacecraft has beamed back some of the best close-up photos yet of Mercury's north pole as part of only ...

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but get a telescope and you can spot Neptune and Uranus.

Reaching Mercury is such a challenge because “the gravitational pull of the Sun is very strong near Mercury, which makes it ...

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

Mercury, the innermost planet in our solar system, is full of surprises! Join us for an in-depth look at its physical ...

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 ...

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.

A spacecraft named BepiColombo is currently zipping by planet Mercury, making a very close flyby and snapping incredible high ...

The European Space Agency (ESA) and Japan Aerospace Exploration Agency (JAXA) launched the joint Mercury mission in 2018. The ...

Discover Snapchat Planets Order, a creative feature in Snapchat Plus to rank your closest friends like planets in a solar ...