Stargazers can see six planets all in one evening during the second month of the year, especially Mercury, which is usually ...

Are planets in the solar system that are closer to the Sun older than the ones further away? – Gavriel, age 10, Paducah, Kentucky A cloud of collapsing gas created our Sun, the first thing to form in ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Planetary scientists are split, oscillating between two main theories that explain the order in ...

A planet parade is basically the nickname given when the planets in our solar system appear to line up in a roughly straight line from the Earth’s perspective. Just after sunset on 28 February, six of ...

Astronomers have discovered the earliest seeds of rocky planets forming in the gas around a baby sun-like star, providing a precious peek into the dawn of our own solar system. It’s an unprecedented ...

Jupiter, king of our solar system’s planets, continues to dominate the night sky in February. Lying inside the zodiac ...

Jupiter is the largest planet in our Solar System and the fifth planet from the Sun. It is a massive gas giant made mostly of ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit before shoving four of the solar system's planets onto a different course. When ...

Twin siblings, twin peaks, twin cities, twin planets... Two earths, one solar system. How would that work?

CAPE CANAVERAL, Fla. — Astronomers have discovered the earliest seeds of rocky planets forming in the gas around a baby sun-like star, providing a precious peek into the dawn of our own solar system.