Planetesimal belts, remnants of the planet formation process, hold a wealth of clues about planetary systems beyond our own.

Among the finds is an object thought to be an asteroid from the main belt, which lies between the orbits of Mars and Jupiter.

The asteroid is estimated to be between 656 and 1,443 feet across, and will pass at 16 times the distance to the moon.

Emily Simpson has loved space since she was a 10-year-old kid celebrating her birthday at a planetarium. Now a recent Florida ...

Scientists suggest an interstellar visitor may have altered planetary orbits in our Solar System, reshaping trajectories of ...

Dec. 19, 2024 — New studies offer a clearer picture of how the outer solar system formed and evolved ... decameter,' asteroids within the main asteroid belt. They used their approach to detect ...

Further simulations on flybys into the inner Solar System revealed one of our own planets might be flung out of the ballpark ...

During its recent mini-moon stint, scientists studied the 2024 PT5 from Earth. Based on the cosmic object's composition and ...