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

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…

3 months ago

A Picture of Earth’s New Temporary Moon

With the excitement and interest in the newly discovered ‘mini-moon’ found orbiting Earth, astronomers quickly set their sights on trying…

8 months ago

Until We Get Another Mission at Saturn, We’re Going to Have to Make Do with these Pictures Taken by Hubble

A new Hubble image of Saturn and six of its Moons reminds us how visually stunning Saturn is.

2 years ago

Astronomy Cast Ep. 428: The Moons of Mars

We begin a miniseries on Mars. How many episodes will we do? Who knows? But we start today with a…

4 years ago

How Many Moons are in the Solar System?

Contrary to what was once believed, the Solar System is home to hundreds of moons. Beyond Earth, there are many…

4 years ago

Haumean Moons Deepen The Dwarf Planet Mystery

Pluto and Haumea have long been thought of as cousins. But a new study highlights Haumea's lack of small, icy…

4 years ago

Dark Moon Discovered Orbiting Dwarf Planet Makemake

Planetary scientists using the Hubble Space Telescope have spotted a dark mini-moon orbiting the distant dwarf planet Makemake. The moon,…

5 years ago

NASA Invests In Radical Game-Changing Concepts For Exploration

As part of the NASA Innovative Advanced Concepts program, NASA recently announced 13 radical proposals for funding and development

5 years ago

Astronomy Cast Ep. 409: Spin in the Solar System

The Solar System is a spinny place. Everything’s turning turning. But if you look closely, there are some pretty strange…

5 years ago