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

A U.S. scientist searching for a civilization across 7 Earth clones circling the red dwarf star TRAPPIST-1 says its own alien ...

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

This may explain the strange properties of the orbits of our solar system's planets, which are not quite perfectly circular, and all lie on slightly different planes. NASA artist’s conception of ...

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

The OSIRIS-REx mission returned to the sample to Earth in September of 2023, and these studies show that it contains amino ...

Stock illustration of all the solar system's planets. Mars, Venus, Jupiter, Saturn, Uranus and Neptune will be visible all at once this month. Stock illustration of all the solar system's planets.

She mapped our solar system's "alternate fate" had it housed ... how much a planet's orbit deviates from a true circle. Obliquity influences the intensity of temperature in each season: greater ...

The solar system is the name we use to describe the eight planets, and their moons, that circle, or orbit, around the sun. CHILD: Our planet, Earth, is in the solar system. MADDIE: Mercury is a ...