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

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

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.

A newly observed interstellar comet is the most pristine visitor from outer space ever seen in our Solar System, according to a pair of studies released Tuesday detailing its unique characteristics.

Comet G3 ATLAS faced just such a perilous passage, reaching perihelion 14 million kilometers from the Sun on January 13th.

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

G3 (ATLAS) blazed past the Sun, captured in stunning detail by the SOHO spacecraft. Scientists used its passage to study how ...

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

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

Scientists studying samples that NASA collected from the asteroid Bennu found a wide assortment of organic molecules that ...

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