Solar System

The Solar System has a second plane where objects orbit the Sun

Almost all the objects orbiting the sun live in a particular plane, called the ecliptic plane. But a recent analysis…

2 weeks ago

Check Out How Big the Planets and the Moon Will be in Our Sky Over the Next Two Years

Everything in space is moving. Galaxies collide and merge, massive clouds of gas migrate, and asteroids, comets, and rogue planets…

1 month ago

Uranus’ Moons are Surprisingly Similar to Dwarf Planets in the Kuiper Belt

Astronomer William Herschel discovered Uranus—and two of its moons—230 years ago. Now a group of astronomers working with data from…

1 month ago

Jupiter Probably Has 600 Small, Irregular Moons

The better our technologies get, the better we get at finding objects in space. That's certainly true of Jupiter and…

1 month ago

Europa’s entire icy shell shifted 70-degrees a few million years ago

The mysterious world Europa, the ice-covered second moon of Jupiter, sports deep scars that cut across its face. An international…

2 months ago

A Huge Ring-Like Structure on Ganymede Might be the Result of an Enormous Impact

Ganymede's surface is a bit of a puzzle for planetary scientists. About two-thirds of its surface is covered in lighter…

2 months ago

This is What the Solar System Really Looks Like

At first glance, it looks like something from an alien autopsy. A strange organ cut from a xenomorph's thorax, under…

3 months ago

The Moons of Uranus Are Fascinating Enough On Their Own That We Should Send a Flagship Mission Out There

What’s the most interesting fact you know about Uranus? The fact that its rotational axis is completely out of line…

3 months ago

The Moon Might Be More Metal-Rich Than We Thought

A new study shows that the Moon is more metal-rich than previously thought. That has some far-reaching implications for our…

4 months ago

Another Collection of Newly Forming Planetary Systems. This Time from the Gemini Planet Imager

Over the next decade, several very powerful telescopes will come online. Observing time on these 'scopes will be in high…

4 months ago