Millions of asteroids, not a planet, exist in the asteroid belt. The asteroid belt's total mass is only a small fraction of the Moon's mass. Meteorite analysis suggests the asteroids didn't originate ...

A team of astronomers just spotted dozens of tiny asteroids in JWST date — including the smallest ever seen in the main belt ...

Aliens may have been closer to Earth than first thought. New research from NASA reveals that Ceres, the dwarf planet in the asteroid belt between Mars and Jupiter, harbored the right conditions to ...

The International Astronomical Union (IAU) currently recognizes five dwarf planets in our solar system, though there are likely many more. The most famous of the bunch is Pluto, way out beyond the ...

We've all heard about the asteroid that wiped out the dinosaurs, a colossal rock 10 kilometers wide. However, there are some smaller ones too. These space rocks are called decameter asteroids, which ...

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 ...

An asteroid twice the size of a giraffe is due to pass closer to our planet than the moon today. The asteroid, named 2024 XH, is roughly 39 feet in diameter according to NASA's Jet Propulsion ...

Karl Ludwig Harding discovered the asteroid Juno on September 1, 1804, using a 5-centimeter refracting telescope. Harding's discovery was part of a larger effort by the "Celestial Police" to locate a ...

The building blocks of life could have been delivered to Ceres by one or more space rocks from the outer asteroid belt. When you purchase through links on our site, we may earn an affiliate commission ...

The latest discoveries about Vesta challenge its traditional classification. This giant asteroid might actually be a remnant of a forming planet rather than a minor planet. Scientists long believed ...

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. It ...