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, ...

Lying between Mars and Jupiter is a massive ring of rock debris—the asteroid belt. Now thin, it’s fading away gradually.

A new analysis estimates that the asteroid belt is steadily losing mass each year, and may not be as permanent a feature of ...

The asteroid belt between Mars and Jupiter contains ancient, ice-covered rocks that may have delivered much of Earth’s water ...

The asteroid belt is found orbiting between Mars and Jupiter and is a vast collection of rocks that is thought to be a planet that never formed. When our solar system formed 4.6 billion years ago, the ...

If such ‘twilight’ asteroids approach Earth, "they could pose serious impact hazards," warned the astronomer behind the ...

Between the orbits of Mars and Jupiter lies a ring-shaped region called the asteroid belt, home to the vast majority of our solar system’s space rocks. The asteroid belt is as old as the solar system ...

A massive crater hidden beneath the Atlantic seafloor has been confirmed as the result of an asteroid strike from 66 million ...

NASA is tracking a house-sized asteroid that’s approaching Earth at a zippy 36,216 miles per hour. The asteroid—known as “2025 TC”—is projected to make its closest approach at just 53,400 miles from ...