Mars has two moons, but they're not quite like Earth's moon. That's raised a lot of questions about where they're from, ...

Photos and videos of astronauts on the ISS show them floating around, but saying there's zero gravity isn't fully accurate.

Mars looks like it’s about to make a U-turn in the night sky – at least, from Earth it looks that way. Since Dec. 7, 2024, the red planet has been making its westerly retrograde. But on Monday, that ...

Massive volcanic eruptions billions of years ago may have made it snow on Mars, leaving thick buried ice near the planet’s equator.

The thermal impact of dust storms on Mars is significant, and is thought to play a similar role to that of water vapor in Earth’s atmosphere. A new study by researchers including those at the ...

Mars is an inhospitable desert planet. Billions of years ago, things were different. In Jezero Crater, for example, fed by a ...

But orbiters around Mars and Jupiter will get a look ... what initially looked like an unknown asteroid on a path approaching Earth’s orbit. Unlike comets bound to the sun's gravity, 3I/ATLAS is ...