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 ...

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

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 ...

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

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

Michigan State University and NASA researchers discover seven dark comets that reveal new solar system secrets.

Jan. 15, 2025 — New observational data and simulation models have confirmed a new type of planet unlike anything found in the Solar System. This provides another piece of the puzzle to ...

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 ...

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