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

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

Comet ATLAS (C/2024 G3) came within 8.3 million miles of the sun on January 13 as it reached its perihelion, and is now disintegrating.

G3 (ATLAS) is now visible in the post-sunset night sky. It's best seen in the Southern Hemisphere, but it's visible north of ...

Ever since Isaac Newton famously talked about gravity, its dominance as a force in our solar system has been well known. It's ...

Comet ATLAS (C/2024 G3) came within 8.3 million miles of the sun on January 13, reaching the perihelion of its massive, 160,000-year orbit through our solar system. The comet was only first ...

A comet believed to be in its death throes could briefly be seen over Tasmania this week as it hurtled through the cosmos in ...

Reintroducing Hawaii's sacred crow, how desert ants find their way, pterosaurs paddle-like tails, and how gophers rebuild ...

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.

This comet, named ATLAS after the Asteroid Terrestrial-impact Last Alert System that discovered it, reached an extraordinary ...

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

Dec. 19, 2024 — New studies offer a clearer picture of how the outer solar system formed and evolved ... asteroids and comets with new solar data sets to develop a revised solar composition ...