Around 4 billion years ago, an asteroid hit the Jupiter moon Ganymede. Now, a researcher realized that the Solar System's biggest moon's axis has shifted as a result of the impact, which confirmed ...

A 4-billion-year-old volcano? New research finds that Io, the solar system’s most volcanically active moon, can brag just that. A recent study of Io’s sulfurous atmosphere suggests that Jupiter’s moon ...

Moon’s precursor planet, Theia, disappeared billions ago, leaving scientists no direct chemical evidence to support the hypothesis. Now a team of astromers in France, Germany and the United States ...

And then there were two—maybe. Astronomers say they have found a second plausible candidate for a moon beyond our solar system, an exomoon, orbiting a world nearly 6,000 light-years from Earth. Called ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. This image of Ganymede was obtained by the JunoCam imager ...

A pair of astronomers believes they’ve found a moon orbiting a planet outside our Solar System — something that has never before been confirmed to exist. Though they aren’t totally certain of their ...

This article is part of a special report on the total solar eclipse that will be visible from parts of the U.S., Mexico and Canada on April 8, 2024. On April 8, 2024, a broad swath of North ...

Chinese scientists have identified impact remnants from meteorites in Chang’e-6 lunar samples, shedding light on the origin of water on the moon and offering new insights into material transfer in the ...

For decades, scientists have pointed Earthly lenses toward the sky to capture images of the cosmos. Even the earliest rockets that launched off the planet brought cameras into space. At first, our ...

There are about 200 moons in our own solar system, including Earth's aptly named “moon.” Astronomers may have discovered the first “exomoon” – a moon outside the solar system. This potential new moon ...

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. Brad Gibson, Director of the E.A. Milne Centre for ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Asteroid impacts have a bad reputation here on Earth — it's the dinosaurs' signature public ...