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.

7, 2025 — A researcher has used advanced models that indicate that the formation of Pluto and Charon may parallel that of the Earth-Moon system ... Belt objects, asteroids and comets with new ...

Comet ATLAS (C/2024 G3) came three times closer to the sun than Mercury on January 13—and this may have changed it ...

Planetesimal belts, remnants of the planet formation process, hold a wealth of clues about planetary systems beyond our own.

The asteroid is estimated to be between 656 and 1,443 feet across, and will pass at 16 times the distance to the moon.

A new study, currently under review for publication, suggests that an ancient cosmic visitor might have significantly altered the orbits of our solar system's giant planets. Scientists propose that ...

From Jan. 11 to 15, 2025, a bright comet surged through images from the ESA (European Space Agency) and NASA SOHO (Solar and Heliospheric Observatory) spacecraft. Called C/2024 G3 (ATLAS), the comet ...

Astrophysicists led by a team from Trinity College Dublin have—for the first time—imaged a large number of exocomet belts ...

A recent study suggests that an interstellar object, possibly as massive as eight times Jupiter, may have passed through the solar system billions ... in the main asteroid belt between Mars ...

Astronomer Dean Regas gives us the lowdown on the best things to look out for this winter, from a “planet parade” to the ...

A long-standing theory known as Nemesis supposes that there is some sort of "death star" on the outer edge of the solar system, whose orbital motions perturb comets in an icy region of objects ...