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

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

Mars's moon Phobos is so strange that no one knows how it formed. But a forthcoming mission could solve this mystery - and a ...

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 ...

Comet ATLAS G3 will be closest to the Sun on Jan. 13, 2025, but will mainly be visible only from the Southern Hemisphere.

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

New photos of comet C/2024 G3 (ATLAS) suggest that it could be disintegrating due to "thermal stress" from its recent ...

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

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

A newly-discovered comet might light up the night sky in the coming weeks, possibly shining even brighter than the planet Venus. The comet, named Comet ATLAS (C/2024 G3), is making a beeline for the ...

Dubbed the "New Years Comet" for its imminent arrival, Comet C/2024 G3 (ATLAS) is currently traveling closer and closer to the center of our Solar System, and is set to come closest on Monday, January ...