The solar system is composed of the sun, eight major planets, five dwarf planets, over a hundred moons, and countless comets ...

Could a lonely planet wander aimlessly through the restless galaxy change the subtle dance of gravity within our solar system ...

Tiny crystals in Earth’s crust may have recorded meteorite and comet impacts as our planet traveled through the spiral arms ...

Zamani (NSF NOIRLab) Astronomers may be closing in on the age and origin of the interstellar comet 3I/ATLAS as it barrels ...

The Milky Way galaxy is like a gigantic ocean gyre or eddy that spins and wobbles around its center. But our home galaxy also ...

A newly discovered comet, 3I/ATLAS, may be the most ancient visitor ever detected, potentially older than our solar system itself. Unlike previous interstellar objects, this ice-rich comet seems to ...

"This is an object from a part of the galaxy we've never seen up close before." The recently discovered interstellar visitor 3I/ATLAS may be one of the oldest comets ever seen by humanity. The object ...

The comets A6 (Lemmon) and R2 (SWAN) are visitors from the chilly fringes of our solar system, and could even be visible at ...

A colossal wave is rolling through the Milky Way’s stars, mapped by ESA’s Gaia telescope and reshaping our understanding of ...

When the Earth travels through one of the spiral arms of the Milky Way, the increased density of matter can cause gravitational perturbations throughout the Solar System. The study compared oxygen ...

The detection of the molecule phosphine in a brown dwarf’s atmosphere may help astronomers in their search for life elsewhere in the Milky Way.