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

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

The metal-coated asteroid Psyche may have had eruptions of molten iron and nickel on its surface. This situation was more ...

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 NASA spacecraft recently got an up-close look at a strange peanut-shaped space rock floating through the cosmos in the main asteroid belt. Not to worry: Astronomers aren't interested in the small ...

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 ...

Around 66 million years ago, the reign of the dinosaurs came to a fiery end. An asteroid about 7 miles (12 kilometers) wide, ...

CAPE CANAVERAL, Fla. (AP) — NASA’s Lucy spacecraft will swoop past a small asteroid this weekend as it makes its way to an even bigger prize: the unexplored swarms of asteroids out near Jupiter. The ...

Astronomers have revealed new sources of meteorites within the solar system's asteroid belt, helping us understand where potentially hazardous asteroids might also originate. The researchers tracked ...