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

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

Astronomers have discovered extremely powerful winds pummeling the equator of WASP-127b, a giant exoplanet. Reaching speeds ...

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 James Webb Space Telescope has provided groundbreaking insights into a new type of exoplanet, fundamentally different ...

The solar system consists of 8 planets, including Mercury ... gives Mars its characteristic hue when viewed from Earth and space. Iron Oxide Presence: The surface of Mars is covered with iron ...

A new study suggests that a planet-sized object may have passed through the solar system billions of years ago. Its journey could have permanently altered the orbits of the outer planets.

concentric ring-like shells around the WR 140 system, that are expanding into space. The clumps, some of which are the size of our entire solar system, are where dust production is at its greatest.

However, this year a powerful new telescope is coming online that could prove once and for all that there really is a ninth planet in our Solar System. The same year that Pluto was ignominiously ...

Need a new monitor for your PC? We’ve combed through scores of options to find the best monitors on the market right now. Our picks are the result of hundreds of hours spent testing the latest ...

The discovery of an extraordinary multi-planet system ... Helled told Space.com. Hot Jupiters are gas giants with masses often many times that of the Jupiter in our solar system.