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Move over, Pluto: Scientists have discovered a new dwarf planet at the solar system's edge

When you buy through links on our articles, Future and its syndication partners may earn a commission. A composite image comparing the relative sizes of our solar system's known dwarf planets, ...
Space.com

An interstellar visitor may have changed the course of 4 solar system planets, study suggests

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 ...
Mashable

Jupiter designed the solar system. Here's what the planet was like as a child.

Jupiter, the largest planet in the solar system, was 2 to 2.5 times bigger in its earlier life, according to new research. Credit: NASA / JPL-Caltech / SwRI / MSSS / Tanya Oleksuik Jupiter, the ...
It's Blossom on MSN

Astronomers discover a rogue planet the size of Saturn drifting through our galaxy

Astronomers Discover a Rogue Planet the Size of Saturn Drifting Through Our Galaxy ...
来自MSN

How Many Planets Are There in the Solar System?

There are 8 planets in our solar system. The planets orbit the Sun in elliptical trajectories, and they are all different in size, composition, temperature, and characteristics. The planets can be ...