The so-called 'planetesimal belts' are filled with tiny millimeter-sized particles created by collisions between comets.

G3 has mesmerized astronomers and amateur skygazers for months as the world tried to spot the bright comet in the sky nearing its fatal encounter with the Sun.

The "once-in-a-lifetime" comet that recently lit up night skies for the first time in millennia might be falling apart after ...

G3 (ATLAS) showed off its spectacular tail plumage to NASA spacecraft when it flew close to the sun this month.

Michigan State University and NASA researchers discover seven dark comets that reveal new solar system secrets.

The case of mistaken identity was quickly resolved, but astronomers say it shows the need for transparency around craft in ...

Astronomers Find the Smallest Asteroids Ever Detected in the Main Belt Dec. 9, 2024 — Astronomers have found a way to spot the smallest, 'decameter,' asteroids within the main asteroid belt.

ONE of the brightest comets to pass Earth in nearly 20 years could be visible to the naked eye in a once-in-a-lifetime display next week. The space rock, formally known as G3 ATLAS (C/2024), is ...

The Utica Comets have had a lot to smile about over the past few weeks--despite the below freezing temperatures outside--as ...

Because the period of an object does not depend on its mass, comets’ orbital periods remain unchanged due to mass loss.