A once-in-a-lifetime comet is approaching the sun — and it will be visible for the first time in 160,000 years. The comet ...

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

In the wake of comet C/2023 A3 (Tsuchinshan–ATLAS) in October, comet G3 is due to reach perihelion — its closest to the sun — ...

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

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 ...

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

New observations suggest that Comet C/2024 G3 (ATLAS), which recently became visible to the naked eye, might be breaking ...

Pluto-Charon Formation Scenario Mimics Earth-Moon System Jan. 7 ... asteroids and comets with new solar data sets to develop a revised solar composition that potentially reconciles ...

So, these are all changes that astronomers will look for each time comets come close to the Sun. And in some cases, orbital changes in a small solar system object can be used by astronomers to ...