The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

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

"We are the first mission to be able to track space weather events in three dimensions routinely across the solar system." ...

The alignment of seven planets in the night sky has captivated observers for centuries, inspiring awe and curiosity. This celestial event, commonly referred to as a planetary parade, is not just a ...

15, 2025 — New observational data and simulation models have confirmed a new type of planet unlike anything found in the Solar System ... artifacts of human exploration on Mars deserve ...

While the composition of gas and dust in a molecular cloud is fairly uniform, everything changes once a star begins to form.

The formation of our solar system from a singular nebula raises an intriguing question: why did each planet develop with a ...

There are eight planets in the solar system, and each travels on its own path around the sun. But of these planets, which is nearest to the sun? Mercury is a strange little world. There are some ...

Almost a decade after its controversial launch nearly killed any prospects at long-term success, No Man's Sky is gearing up ...

although the space agency has been known to call it a "parade of planets." The term may appear confusing, since the planets cannot actually fully line up in the three-dimensional solar system ...

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 ...