A new paper released today documents the first soil, airfall dust, and rock fragment samples collected by NASA for return ...

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

Scientists believe that two asteroids might be fragments of long-lost "planetary embryos" from the early solar system.

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

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

Staring up at the night sky, you might see thousands of stars sprinkled above the horizon. It feels as though you can see so ...

A suspected planet that appears well-suited to life has had its existence confirmed – and it’s very much in our neighborhood, ...

Understanding how and when Earth, Jupiter, other planets in the Solar System, and numerous exoplanets formed within our ...

While this parade of planets look to our eyes to be huddled in the evening sky, they are of course spread out across a vast chasm of space across the solar system, separated from each other by ...

The dwarf planet is a bizarre ... a group of researchers led by the Max Planck Institute for Solar System Research (MPS) in Germany presents the most comprehensive analysis to date of this ...

Scientists are proposing ways to explore Venus in the next decade and beyond by way of a host of advanced technologies, from ...

The solar system consists of 8 planets, including Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. Each planet has its own unique characteristics, such as size, composition ...