moons

Does Jupiter’s Moon Callisto Have an Ocean? The Evidence is MountingDoes Jupiter’s Moon Callisto Have an Ocean? The Evidence is Mounting

Does Jupiter’s Moon Callisto Have an Ocean? The Evidence is Mounting

Some of our Solar System's moons have become very enticing targets in the search for life. There's growing evidence that…

4 hours ago
Uranus’ Moon Ariel has Deep Gashes, Could Reveal its InteriorUranus’ Moon Ariel has Deep Gashes, Could Reveal its Interior

Uranus’ Moon Ariel has Deep Gashes, Could Reveal its Interior

We've only gotten one close-up view of Uranus and its moons, and it happened decades ago. In 1986, Voyager 2…

2 weeks ago
Uranus’s Wobbling Moons Could Point to Oceans Under the IceUranus’s Wobbling Moons Could Point to Oceans Under the Ice

Uranus’s Wobbling Moons Could Point to Oceans Under the Ice

Subsurface oceans of liquid water are a common feature of the moon’s of Jupiter and Saturn. Researchers are exploring whether…

3 months ago
The Search for Exomoons is OnThe Search for Exomoons is On

The Search for Exomoons is On

Moons are the norm in our Solar System. The International Astronomical Union recognizes 288 planetary moons, and more keep being…

4 months ago
A Stellar Flyby Jumbled Up the Outer Solar SystemA Stellar Flyby Jumbled Up the Outer Solar System

A Stellar Flyby Jumbled Up the Outer Solar System

An ancient passerby may have visited the Sun and inadvertently helped shape the Solar System into what it is today.…

5 months ago
Comparing Two Proposed NASA Missions to Jupiter’s Moon IoComparing Two Proposed NASA Missions to Jupiter’s Moon Io

Comparing Two Proposed NASA Missions to Jupiter’s Moon Io

Thanks to NASA's Juno mission to the Jupiter system, we're getting our best looks ever at the gas giant's volcanic…

6 months ago
If We Want To Find Life-Supporting Worlds, We Should Focus on Small Planets With Large MoonsIf We Want To Find Life-Supporting Worlds, We Should Focus on Small Planets With Large Moons

If We Want To Find Life-Supporting Worlds, We Should Focus on Small Planets With Large Moons

There's no perfect way of doing anything, including searching for exoplanets. Every planet-hunting method has some type of bias. We've…

8 months ago
How Mars’ Moon Phobos Captures Our ImaginationsHow Mars’ Moon Phobos Captures Our Imaginations

How Mars’ Moon Phobos Captures Our Imaginations

For a small, lumpy chunk of rock that barely reflects any light, Mars' Moon Phobos draws a lot of attention.…

9 months ago
Are Titan's Dunes Made of Comet Dust?Are Titan's Dunes Made of Comet Dust?

Are Titan's Dunes Made of Comet Dust?

A new theory suggests that Titan's majestic dune fields may have come from outer space. Researchers had always assumed that…

10 months ago
Did An Ancient Icy Impactor Create the Martian Moons?Did An Ancient Icy Impactor Create the Martian Moons?

Did An Ancient Icy Impactor Create the Martian Moons?

The Martian moons Phobos and Deimos are oddballs. While other Solar System moons are round, Mars' moons are misshapen and…

10 months ago